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Finding the Fourth Proportional to 176,447.19, 243,489.07 and 99,964.73

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Solution

The fourth proportional to 176,447.19, 243,489.07 and 99,964.73 is: 137,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,447.19 : 243,489.07 = 99,964.73 : x
  2. Step 2: Convert to fraction form
    176,447.19/243,489.07 = 99,964.73/x
  3. Step 3: Cross multiply
    176,447.19x = 243,489.07 × 99,964.73
  4. Step 4: Simplify right side
    176,447.19x = 24,340,319,874.18
  5. Step 5: Solve for x
    x = 24,340,319,874.18/176,447.19
  6. Step 6: Final answer
    x = 137,946.77

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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.