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Finding the Fourth Proportional to 115,576, 159,494.88 and 62,584

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Solution

The fourth proportional to 115,576, 159,494.88 and 62,584 is: 86,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,576 : 159,494.88 = 62,584 : x
  2. Step 2: Convert to fraction form
    115,576/159,494.88 = 62,584/x
  3. Step 3: Cross multiply
    115,576x = 159,494.88 × 62,584
  4. Step 4: Simplify right side
    115,576x = 9,981,827,569.92
  5. Step 5: Solve for x
    x = 9,981,827,569.92/115,576
  6. Step 6: Final answer
    x = 86,365.92

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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.