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Finding the Fourth Proportional to 103,932.97, 155,957.93 and 56,551.48

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Solution

The fourth proportional to 103,932.97, 155,957.93 and 56,551.48 is: 84,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,932.97 : 155,957.93 = 56,551.48 : x
  2. Step 2: Convert to fraction form
    103,932.97/155,957.93 = 56,551.48/x
  3. Step 3: Cross multiply
    103,932.97x = 155,957.93 × 56,551.48
  4. Step 4: Simplify right side
    103,932.97x = 8,819,652,485.46
  5. Step 5: Solve for x
    x = 8,819,652,485.46/103,932.97
  6. Step 6: Final answer
    x = 84,859.04

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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.