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Finding the Fourth Proportional to 65,343.60, 98,026.20 and 58,731.48

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Solution

The fourth proportional to 65,343.60, 98,026.20 and 58,731.48 is: 88,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,343.60 : 98,026.20 = 58,731.48 : x
  2. Step 2: Convert to fraction form
    65,343.60/98,026.20 = 58,731.48/x
  3. Step 3: Cross multiply
    65,343.60x = 98,026.20 × 58,731.48
  4. Step 4: Simplify right side
    65,343.60x = 5,757,223,804.78
  5. Step 5: Solve for x
    x = 5,757,223,804.78/65,343.60
  6. Step 6: Final answer
    x = 88,106.93

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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.