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Finding the Fourth Proportional to 67,253.59, 100,992.86 and 42,011.83

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Solution

The fourth proportional to 67,253.59, 100,992.86 and 42,011.83 is: 63,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.59 : 100,992.86 = 42,011.83 : x
  2. Step 2: Convert to fraction form
    67,253.59/100,992.86 = 42,011.83/x
  3. Step 3: Cross multiply
    67,253.59x = 100,992.86 × 42,011.83
  4. Step 4: Simplify right side
    67,253.59x = 4,242,894,865.53
  5. Step 5: Solve for x
    x = 4,242,894,865.53/67,253.59
  6. Step 6: Final answer
    x = 63,088.01

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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.