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Finding the Fourth Proportional to 110,654.50, 152,705.03 and 60,353.50

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Solution

The fourth proportional to 110,654.50, 152,705.03 and 60,353.50 is: 83,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,654.50 : 152,705.03 = 60,353.50 : x
  2. Step 2: Convert to fraction form
    110,654.50/152,705.03 = 60,353.50/x
  3. Step 3: Cross multiply
    110,654.50x = 152,705.03 × 60,353.50
  4. Step 4: Simplify right side
    110,654.50x = 9,216,283,028.11
  5. Step 5: Solve for x
    x = 9,216,283,028.11/110,654.50
  6. Step 6: Final answer
    x = 83,288.82

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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.