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Finding the Fourth Proportional to 224,042.92, 309,182.79 and 122,073.19

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Solution

The fourth proportional to 224,042.92, 309,182.79 and 122,073.19 is: 168,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,042.92 : 309,182.79 = 122,073.19 : x
  2. Step 2: Convert to fraction form
    224,042.92/309,182.79 = 122,073.19/x
  3. Step 3: Cross multiply
    224,042.92x = 309,182.79 × 122,073.19
  4. Step 4: Simplify right side
    224,042.92x = 37,742,929,468.40
  5. Step 5: Solve for x
    x = 37,742,929,468.40/224,042.92
  6. Step 6: Final answer
    x = 168,462.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.