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Finding the Fourth Proportional to 119,242.92, 178,726.14 and 112,330.92

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Solution

The fourth proportional to 119,242.92, 178,726.14 and 112,330.92 is: 168,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,242.92 : 178,726.14 = 112,330.92 : x
  2. Step 2: Convert to fraction form
    119,242.92/178,726.14 = 112,330.92/x
  3. Step 3: Cross multiply
    119,242.92x = 178,726.14 × 112,330.92
  4. Step 4: Simplify right side
    119,242.92x = 20,076,471,734.25
  5. Step 5: Solve for x
    x = 20,076,471,734.25/119,242.92
  6. Step 6: Final answer
    x = 168,366.15

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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.