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Finding the Fourth Proportional to 102,562.80, 153,887.40 and 55,849.20

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Solution

The fourth proportional to 102,562.80, 153,887.40 and 55,849.20 is: 83,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,562.80 : 153,887.40 = 55,849.20 : x
  2. Step 2: Convert to fraction form
    102,562.80/153,887.40 = 55,849.20/x
  3. Step 3: Cross multiply
    102,562.80x = 153,887.40 × 55,849.20
  4. Step 4: Simplify right side
    102,562.80x = 8,594,488,180.08
  5. Step 5: Solve for x
    x = 8,594,488,180.08/102,562.80
  6. Step 6: Final answer
    x = 83,797.32

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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.