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Finding the Fourth Proportional to 96,709.50, 133,459.59 and 56,451.18

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Solution

The fourth proportional to 96,709.50, 133,459.59 and 56,451.18 is: 77,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,709.50 : 133,459.59 = 56,451.18 : x
  2. Step 2: Convert to fraction form
    96,709.50/133,459.59 = 56,451.18/x
  3. Step 3: Cross multiply
    96,709.50x = 133,459.59 × 56,451.18
  4. Step 4: Simplify right side
    96,709.50x = 7,533,951,337.82
  5. Step 5: Solve for x
    x = 7,533,951,337.82/96,709.50
  6. Step 6: Final answer
    x = 77,902.91

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