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Finding the Fourth Proportional to 101,417.60, 152,251.20 and 63,977.60

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Solution

The fourth proportional to 101,417.60, 152,251.20 and 63,977.60 is: 96,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,417.60 : 152,251.20 = 63,977.60 : x
  2. Step 2: Convert to fraction form
    101,417.60/152,251.20 = 63,977.60/x
  3. Step 3: Cross multiply
    101,417.60x = 152,251.20 × 63,977.60
  4. Step 4: Simplify right side
    101,417.60x = 9,740,666,373.12
  5. Step 5: Solve for x
    x = 9,740,666,373.12/101,417.60
  6. Step 6: Final answer
    x = 96,045.13

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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.