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Finding the Fourth Proportional to 180,612.13, 270,931.18 and 62,281.76

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Solution

The fourth proportional to 180,612.13, 270,931.18 and 62,281.76 is: 93,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,612.13 : 270,931.18 = 62,281.76 : x
  2. Step 2: Convert to fraction form
    180,612.13/270,931.18 = 62,281.76/x
  3. Step 3: Cross multiply
    180,612.13x = 270,931.18 × 62,281.76
  4. Step 4: Simplify right side
    180,612.13x = 16,874,070,729.28
  5. Step 5: Solve for x
    x = 16,874,070,729.28/180,612.13
  6. Step 6: Final answer
    x = 93,427.12

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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.