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Finding the Fourth Proportional to 107,902.50, 148,903.74 and 60,158.76

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Solution

The fourth proportional to 107,902.50, 148,903.74 and 60,158.76 is: 83,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,902.50 : 148,903.74 = 60,158.76 : x
  2. Step 2: Convert to fraction form
    107,902.50/148,903.74 = 60,158.76/x
  3. Step 3: Cross multiply
    107,902.50x = 148,903.74 × 60,158.76
  4. Step 4: Simplify right side
    107,902.50x = 8,957,864,357.76
  5. Step 5: Solve for x
    x = 8,957,864,357.76/107,902.50
  6. Step 6: Final answer
    x = 83,018.14

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1.5x scale

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.