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Finding the Fourth Proportional to 95,144.78, 142,688.70 and 59,659.98

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Solution

The fourth proportional to 95,144.78, 142,688.70 and 59,659.98 is: 89,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,144.78 : 142,688.70 = 59,659.98 : x
  2. Step 2: Convert to fraction form
    95,144.78/142,688.70 = 59,659.98/x
  3. Step 3: Cross multiply
    95,144.78x = 142,688.70 × 59,659.98
  4. Step 4: Simplify right side
    95,144.78x = 8,512,804,988.23
  5. Step 5: Solve for x
    x = 8,512,804,988.23/95,144.78
  6. Step 6: Final answer
    x = 89,472.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.