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Finding the Fourth Proportional to 93,340.97, 140,058.16 and 42,739.89

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Solution

The fourth proportional to 93,340.97, 140,058.16 and 42,739.89 is: 64,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.97 : 140,058.16 = 42,739.89 : x
  2. Step 2: Convert to fraction form
    93,340.97/140,058.16 = 42,739.89/x
  3. Step 3: Cross multiply
    93,340.97x = 140,058.16 × 42,739.89
  4. Step 4: Simplify right side
    93,340.97x = 5,986,070,352.00
  5. Step 5: Solve for x
    x = 5,986,070,352.00/93,340.97
  6. Step 6: Final answer
    x = 64,131.22

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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.