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Finding the Fourth Proportional to 110,221.71, 152,101.64 and 62,474.04

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Solution

The fourth proportional to 110,221.71, 152,101.64 and 62,474.04 is: 86,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.71 : 152,101.64 = 62,474.04 : x
  2. Step 2: Convert to fraction form
    110,221.71/152,101.64 = 62,474.04/x
  3. Step 3: Cross multiply
    110,221.71x = 152,101.64 × 62,474.04
  4. Step 4: Simplify right side
    110,221.71x = 9,502,403,629.06
  5. Step 5: Solve for x
    x = 9,502,403,629.06/110,221.71
  6. Step 6: Final answer
    x = 86,211.72

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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.