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Finding the Fourth Proportional to 224,678.71, 336,981.39 and 74,920.24

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Solution

The fourth proportional to 224,678.71, 336,981.39 and 74,920.24 is: 112,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,678.71 : 336,981.39 = 74,920.24 : x
  2. Step 2: Convert to fraction form
    224,678.71/336,981.39 = 74,920.24/x
  3. Step 3: Cross multiply
    224,678.71x = 336,981.39 × 74,920.24
  4. Step 4: Simplify right side
    224,678.71x = 25,246,726,614.33
  5. Step 5: Solve for x
    x = 25,246,726,614.33/224,678.71
  6. Step 6: Final answer
    x = 112,368.13

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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.