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Finding the Fourth Proportional to 229,332.67, 316,486.95 and 127,359.74

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Solution

The fourth proportional to 229,332.67, 316,486.95 and 127,359.74 is: 175,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,332.67 : 316,486.95 = 127,359.74 : x
  2. Step 2: Convert to fraction form
    229,332.67/316,486.95 = 127,359.74/x
  3. Step 3: Cross multiply
    229,332.67x = 316,486.95 × 127,359.74
  4. Step 4: Simplify right side
    229,332.67x = 40,307,695,979.01
  5. Step 5: Solve for x
    x = 40,307,695,979.01/229,332.67
  6. Step 6: Final answer
    x = 175,760.81

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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.