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Finding the Fourth Proportional to 96,794.76, 145,218.03 and 87,541.32

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Solution

The fourth proportional to 96,794.76, 145,218.03 and 87,541.32 is: 131,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,794.76 : 145,218.03 = 87,541.32 : x
  2. Step 2: Convert to fraction form
    96,794.76/145,218.03 = 87,541.32/x
  3. Step 3: Cross multiply
    96,794.76x = 145,218.03 × 87,541.32
  4. Step 4: Simplify right side
    96,794.76x = 12,712,578,034.00
  5. Step 5: Solve for x
    x = 12,712,578,034.00/96,794.76
  6. Step 6: Final answer
    x = 131,335.39

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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.