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Finding the Fourth Proportional to 229,498.77, 316,702.01 and 127,521.62

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Solution

The fourth proportional to 229,498.77, 316,702.01 and 127,521.62 is: 175,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,498.77 : 316,702.01 = 127,521.62 : x
  2. Step 2: Convert to fraction form
    229,498.77/316,702.01 = 127,521.62/x
  3. Step 3: Cross multiply
    229,498.77x = 316,702.01 × 127,521.62
  4. Step 4: Simplify right side
    229,498.77x = 40,386,352,583.99
  5. Step 5: Solve for x
    x = 40,386,352,583.99/229,498.77
  6. Step 6: Final answer
    x = 175,976.33

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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.