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Finding the Fourth Proportional to 161,357.16, 241,952.37 and 72,534.89

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Solution

The fourth proportional to 161,357.16, 241,952.37 and 72,534.89 is: 108,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,357.16 : 241,952.37 = 72,534.89 : x
  2. Step 2: Convert to fraction form
    161,357.16/241,952.37 = 72,534.89/x
  3. Step 3: Cross multiply
    161,357.16x = 241,952.37 × 72,534.89
  4. Step 4: Simplify right side
    161,357.16x = 17,549,988,876.06
  5. Step 5: Solve for x
    x = 17,549,988,876.06/161,357.16
  6. Step 6: Final answer
    x = 108,764.86

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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.