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Finding the Fourth Proportional to 67,407.04, 101,109.60 and 29,957.20

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Solution

The fourth proportional to 67,407.04, 101,109.60 and 29,957.20 is: 44,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,407.04 : 101,109.60 = 29,957.20 : x
  2. Step 2: Convert to fraction form
    67,407.04/101,109.60 = 29,957.20/x
  3. Step 3: Cross multiply
    67,407.04x = 101,109.60 × 29,957.20
  4. Step 4: Simplify right side
    67,407.04x = 3,028,960,509.12
  5. Step 5: Solve for x
    x = 3,028,960,509.12/67,407.04
  6. Step 6: Final answer
    x = 44,935.37

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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.