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Finding the Fourth Proportional to 101,709.17, 152,473.88 and 38,485.39

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Solution

The fourth proportional to 101,709.17, 152,473.88 and 38,485.39 is: 57,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,709.17 : 152,473.88 = 38,485.39 : x
  2. Step 2: Convert to fraction form
    101,709.17/152,473.88 = 38,485.39/x
  3. Step 3: Cross multiply
    101,709.17x = 152,473.88 × 38,485.39
  4. Step 4: Simplify right side
    101,709.17x = 5,868,016,897.83
  5. Step 5: Solve for x
    x = 5,868,016,897.83/101,709.17
  6. Step 6: Final answer
    x = 57,694.08

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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.