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Finding the Fourth Proportional to 96,670.78, 145,059.02 and 37,508.78

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Solution

The fourth proportional to 96,670.78, 145,059.02 and 37,508.78 is: 56,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,670.78 : 145,059.02 = 37,508.78 : x
  2. Step 2: Convert to fraction form
    96,670.78/145,059.02 = 37,508.78/x
  3. Step 3: Cross multiply
    96,670.78x = 145,059.02 × 37,508.78
  4. Step 4: Simplify right side
    96,670.78x = 5,440,986,868.20
  5. Step 5: Solve for x
    x = 5,440,986,868.20/96,670.78
  6. Step 6: Final answer
    x = 56,283.68

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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.