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Finding the Fourth Proportional to 96,959.60, 145,410.60 and 37,761.20

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Solution

The fourth proportional to 96,959.60, 145,410.60 and 37,761.20 is: 56,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,959.60 : 145,410.60 = 37,761.20 : x
  2. Step 2: Convert to fraction form
    96,959.60/145,410.60 = 37,761.20/x
  3. Step 3: Cross multiply
    96,959.60x = 145,410.60 × 37,761.20
  4. Step 4: Simplify right side
    96,959.60x = 5,490,878,748.72
  5. Step 5: Solve for x
    x = 5,490,878,748.72/96,959.60
  6. Step 6: Final answer
    x = 56,630.58

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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.