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Finding the Fourth Proportional to 101,518.54, 152,235.88 and 38,327.92

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Solution

The fourth proportional to 101,518.54, 152,235.88 and 38,327.92 is: 57,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,518.54 : 152,235.88 = 38,327.92 : x
  2. Step 2: Convert to fraction form
    101,518.54/152,235.88 = 38,327.92/x
  3. Step 3: Cross multiply
    101,518.54x = 152,235.88 × 38,327.92
  4. Step 4: Simplify right side
    101,518.54x = 5,834,884,153.36
  5. Step 5: Solve for x
    x = 5,834,884,153.36/101,518.54
  6. Step 6: Final answer
    x = 57,476.05

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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.