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Finding the Fourth Proportional to 107,901.75, 148,902.71 and 60,158.01

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Solution

The fourth proportional to 107,901.75, 148,902.71 and 60,158.01 is: 83,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,901.75 : 148,902.71 = 60,158.01 : x
  2. Step 2: Convert to fraction form
    107,901.75/148,902.71 = 60,158.01/x
  3. Step 3: Cross multiply
    107,901.75x = 148,902.71 × 60,158.01
  4. Step 4: Simplify right side
    107,901.75x = 8,957,690,416.42
  5. Step 5: Solve for x
    x = 8,957,690,416.42/107,901.75
  6. Step 6: Final answer
    x = 83,017.10

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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.