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Finding the Fourth Proportional to 77,298.31, 116,473.98 and 63,565.93

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Solution

The fourth proportional to 77,298.31, 116,473.98 and 63,565.93 is: 95,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,298.31 : 116,473.98 = 63,565.93 : x
  2. Step 2: Convert to fraction form
    77,298.31/116,473.98 = 63,565.93/x
  3. Step 3: Cross multiply
    77,298.31x = 116,473.98 × 63,565.93
  4. Step 4: Simplify right side
    77,298.31x = 7,403,776,859.50
  5. Step 5: Solve for x
    x = 7,403,776,859.50/77,298.31
  6. Step 6: Final answer
    x = 95,781.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.