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Finding the Fourth Proportional to 125,280,804.40, 175,572,285.20 and 125,280,804.40

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Solution

The fourth proportional to 125,280,804.40, 175,572,285.20 and 125,280,804.40 is: 175,572,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,280,804.40 : 175,572,285.20 = 125,280,804.40 : x
  2. Step 2: Convert to fraction form
    125,280,804.40/175,572,285.20 = 125,280,804.40/x
  3. Step 3: Cross multiply
    125,280,804.40x = 175,572,285.20 × 125,280,804.40
  4. Step 4: Simplify right side
    125,280,804.40x = 21,995,837,120,202,216
  5. Step 5: Solve for x
    x = 21,995,837,120,202,216/125,280,804.40
  6. Step 6: Final answer
    x = 175,572,285.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.