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Finding the Fourth Proportional to 175,246, 263,417.70 and 115,657.40

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Solution

The fourth proportional to 175,246, 263,417.70 and 115,657.40 is: 173,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,246 : 263,417.70 = 115,657.40 : x
  2. Step 2: Convert to fraction form
    175,246/263,417.70 = 115,657.40/x
  3. Step 3: Cross multiply
    175,246x = 263,417.70 × 115,657.40
  4. Step 4: Simplify right side
    175,246x = 30,466,206,295.98
  5. Step 5: Solve for x
    x = 30,466,206,295.98/175,246
  6. Step 6: Final answer
    x = 173,848.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.