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Finding the Fourth Proportional to 229,058.48, 316,100.16 and 127,099.44

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Solution

The fourth proportional to 229,058.48, 316,100.16 and 127,099.44 is: 175,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,058.48 : 316,100.16 = 127,099.44 : x
  2. Step 2: Convert to fraction form
    229,058.48/316,100.16 = 127,099.44/x
  3. Step 3: Cross multiply
    229,058.48x = 316,100.16 × 127,099.44
  4. Step 4: Simplify right side
    229,058.48x = 40,176,153,319.91
  5. Step 5: Solve for x
    x = 40,176,153,319.91/229,058.48
  6. Step 6: Final answer
    x = 175,396.93

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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.