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Finding the Fourth Proportional to 125,280,818.40, 175,572,304.80 and 125,280,818.40

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Solution

The fourth proportional to 125,280,818.40, 175,572,304.80 and 125,280,818.40 is: 175,572,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,280,818.40 : 175,572,304.80 = 125,280,818.40 : x
  2. Step 2: Convert to fraction form
    125,280,818.40/175,572,304.80 = 125,280,818.40/x
  3. Step 3: Cross multiply
    125,280,818.40x = 175,572,304.80 × 125,280,818.40
  4. Step 4: Simplify right side
    125,280,818.40x = 21,995,842,033,718,252
  5. Step 5: Solve for x
    x = 21,995,842,033,718,252/125,280,818.40
  6. Step 6: Final answer
    x = 175,572,304.80

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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.