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Finding the Fourth Proportional to 229,058.35, 316,089.81 and 127,082.72

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Solution

The fourth proportional to 229,058.35, 316,089.81 and 127,082.72 is: 175,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,058.35 : 316,089.81 = 127,082.72 : x
  2. Step 2: Convert to fraction form
    229,058.35/316,089.81 = 127,082.72/x
  3. Step 3: Cross multiply
    229,058.35x = 316,089.81 × 127,082.72
  4. Step 4: Simplify right side
    229,058.35x = 40,169,553,609.31
  5. Step 5: Solve for x
    x = 40,169,553,609.31/229,058.35
  6. Step 6: Final answer
    x = 175,368.22

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