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Finding the Fourth Proportional to 229,384.00, 316,549.81 and 127,418.92

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Solution

The fourth proportional to 229,384.00, 316,549.81 and 127,418.92 is: 175,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,384.00 : 316,549.81 = 127,418.92 : x
  2. Step 2: Convert to fraction form
    229,384.00/316,549.81 = 127,418.92/x
  3. Step 3: Cross multiply
    229,384.00x = 316,549.81 × 127,418.92
  4. Step 4: Simplify right side
    229,384.00x = 40,334,432,696.56
  5. Step 5: Solve for x
    x = 40,334,432,696.56/229,384.00
  6. Step 6: Final answer
    x = 175,838.04

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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.