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Finding the Fourth Proportional to 229,061.97, 316,094.81 and 127,086.35

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Solution

The fourth proportional to 229,061.97, 316,094.81 and 127,086.35 is: 175,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,061.97 : 316,094.81 = 127,086.35 : x
  2. Step 2: Convert to fraction form
    229,061.97/316,094.81 = 127,086.35/x
  3. Step 3: Cross multiply
    229,061.97x = 316,094.81 × 127,086.35
  4. Step 4: Simplify right side
    229,061.97x = 40,171,335,184.32
  5. Step 5: Solve for x
    x = 40,171,335,184.32/229,061.97
  6. Step 6: Final answer
    x = 175,373.22

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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.