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Finding the Fourth Proportional to 229,167.65, 316,309.49 and 156,599.92

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Solution

The fourth proportional to 229,167.65, 316,309.49 and 156,599.92 is: 216,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,167.65 : 316,309.49 = 156,599.92 : x
  2. Step 2: Convert to fraction form
    229,167.65/316,309.49 = 156,599.92/x
  3. Step 3: Cross multiply
    229,167.65x = 316,309.49 × 156,599.92
  4. Step 4: Simplify right side
    229,167.65x = 49,534,038,464.69
  5. Step 5: Solve for x
    x = 49,534,038,464.69/229,167.65
  6. Step 6: Final answer
    x = 216,147.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.