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Finding the Fourth Proportional to 176,712.72, 243,860.96 and 96,140.96

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Solution

The fourth proportional to 176,712.72, 243,860.96 and 96,140.96 is: 132,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,712.72 : 243,860.96 = 96,140.96 : x
  2. Step 2: Convert to fraction form
    176,712.72/243,860.96 = 96,140.96/x
  3. Step 3: Cross multiply
    176,712.72x = 243,860.96 × 96,140.96
  4. Step 4: Simplify right side
    176,712.72x = 23,445,026,800.92
  5. Step 5: Solve for x
    x = 23,445,026,800.92/176,712.72
  6. Step 6: Final answer
    x = 132,673.11

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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.