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Finding the Fourth Proportional to 67,403.30, 101,141.40 and 29,969.15

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Solution

The fourth proportional to 67,403.30, 101,141.40 and 29,969.15 is: 44,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,403.30 : 101,141.40 = 29,969.15 : x
  2. Step 2: Convert to fraction form
    67,403.30/101,141.40 = 29,969.15/x
  3. Step 3: Cross multiply
    67,403.30x = 101,141.40 × 29,969.15
  4. Step 4: Simplify right side
    67,403.30x = 3,031,121,787.81
  5. Step 5: Solve for x
    x = 3,031,121,787.81/67,403.30
  6. Step 6: Final answer
    x = 44,969.93

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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.