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Finding the Fourth Proportional to 176,495.68, 243,472.80 and 109,311.04

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Solution

The fourth proportional to 176,495.68, 243,472.80 and 109,311.04 is: 150,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,495.68 : 243,472.80 = 109,311.04 : x
  2. Step 2: Convert to fraction form
    176,495.68/243,472.80 = 109,311.04/x
  3. Step 3: Cross multiply
    176,495.68x = 243,472.80 × 109,311.04
  4. Step 4: Simplify right side
    176,495.68x = 26,614,264,979.71
  5. Step 5: Solve for x
    x = 26,614,264,979.71/176,495.68
  6. Step 6: Final answer
    x = 150,792.73

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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.