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Finding the Fourth Proportional to 93,512.78, 140,287.47 and 34,348.91

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Solution

The fourth proportional to 93,512.78, 140,287.47 and 34,348.91 is: 51,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,512.78 : 140,287.47 = 34,348.91 : x
  2. Step 2: Convert to fraction form
    93,512.78/140,287.47 = 34,348.91/x
  3. Step 3: Cross multiply
    93,512.78x = 140,287.47 × 34,348.91
  4. Step 4: Simplify right side
    93,512.78x = 4,818,721,681.16
  5. Step 5: Solve for x
    x = 4,818,721,681.16/93,512.78
  6. Step 6: Final answer
    x = 51,530.09

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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.