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Finding the Fourth Proportional to 239,833.80, 359,801.76 and 71,354.64

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Solution

The fourth proportional to 239,833.80, 359,801.76 and 71,354.64 is: 107,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,833.80 : 359,801.76 = 71,354.64 : x
  2. Step 2: Convert to fraction form
    239,833.80/359,801.76 = 71,354.64/x
  3. Step 3: Cross multiply
    239,833.80x = 359,801.76 × 71,354.64
  4. Step 4: Simplify right side
    239,833.80x = 25,673,525,056.17
  5. Step 5: Solve for x
    x = 25,673,525,056.17/239,833.80
  6. Step 6: Final answer
    x = 107,047.15

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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.