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Finding the Fourth Proportional to 107,902.75, 148,904.08 and 60,159.01

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Solution

The fourth proportional to 107,902.75, 148,904.08 and 60,159.01 is: 83,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,902.75 : 148,904.08 = 60,159.01 : x
  2. Step 2: Convert to fraction form
    107,902.75/148,904.08 = 60,159.01/x
  3. Step 3: Cross multiply
    107,902.75x = 148,904.08 × 60,159.01
  4. Step 4: Simplify right side
    107,902.75x = 8,957,922,037.76
  5. Step 5: Solve for x
    x = 8,957,922,037.76/107,902.75
  6. Step 6: Final answer
    x = 83,018.48

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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.