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Finding the Fourth Proportional to 95,716, 132,088.08 and 55,972

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Solution

The fourth proportional to 95,716, 132,088.08 and 55,972 is: 77,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,716 : 132,088.08 = 55,972 : x
  2. Step 2: Convert to fraction form
    95,716/132,088.08 = 55,972/x
  3. Step 3: Cross multiply
    95,716x = 132,088.08 × 55,972
  4. Step 4: Simplify right side
    95,716x = 7,393,234,013.76
  5. Step 5: Solve for x
    x = 7,393,234,013.76/95,716
  6. Step 6: Final answer
    x = 77,241.36

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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.