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Finding the Fourth Proportional to 88,013.47, 131,967.47 and 28,016.02

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Solution

The fourth proportional to 88,013.47, 131,967.47 and 28,016.02 is: 42,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.47 : 131,967.47 = 28,016.02 : x
  2. Step 2: Convert to fraction form
    88,013.47/131,967.47 = 28,016.02/x
  3. Step 3: Cross multiply
    88,013.47x = 131,967.47 × 28,016.02
  4. Step 4: Simplify right side
    88,013.47x = 3,697,203,278.87
  5. Step 5: Solve for x
    x = 3,697,203,278.87/88,013.47
  6. Step 6: Final answer
    x = 42,007.25

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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.