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Finding the Fourth Proportional to 210,695.11, 316,042.67 and 62,951.11

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Solution

The fourth proportional to 210,695.11, 316,042.67 and 62,951.11 is: 94,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,695.11 : 316,042.67 = 62,951.11 : x
  2. Step 2: Convert to fraction form
    210,695.11/316,042.67 = 62,951.11/x
  3. Step 3: Cross multiply
    210,695.11x = 316,042.67 × 62,951.11
  4. Step 4: Simplify right side
    210,695.11x = 19,895,236,371.58
  5. Step 5: Solve for x
    x = 19,895,236,371.58/210,695.11
  6. Step 6: Final answer
    x = 94,426.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.