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Finding the Fourth Proportional to 229,333.67, 316,488.33 and 127,360.74

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Solution

The fourth proportional to 229,333.67, 316,488.33 and 127,360.74 is: 175,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,333.67 : 316,488.33 = 127,360.74 : x
  2. Step 2: Convert to fraction form
    229,333.67/316,488.33 = 127,360.74/x
  3. Step 3: Cross multiply
    229,333.67x = 316,488.33 × 127,360.74
  4. Step 4: Simplify right side
    229,333.67x = 40,308,187,910.16
  5. Step 5: Solve for x
    x = 40,308,187,910.16/229,333.67
  6. Step 6: Final answer
    x = 175,762.19

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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.