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Finding the Fourth Proportional to 95,712.57, 143,475.57 and 53,612.82

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Solution

The fourth proportional to 95,712.57, 143,475.57 and 53,612.82 is: 80,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,712.57 : 143,475.57 = 53,612.82 : x
  2. Step 2: Convert to fraction form
    95,712.57/143,475.57 = 53,612.82/x
  3. Step 3: Cross multiply
    95,712.57x = 143,475.57 × 53,612.82
  4. Step 4: Simplify right side
    95,712.57x = 7,692,129,908.81
  5. Step 5: Solve for x
    x = 7,692,129,908.81/95,712.57
  6. Step 6: Final answer
    x = 80,366.98

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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.