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Finding the Fourth Proportional to 226,167.48, 312,098.94 and 125,559

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Solution

The fourth proportional to 226,167.48, 312,098.94 and 125,559 is: 173,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,167.48 : 312,098.94 = 125,559 : x
  2. Step 2: Convert to fraction form
    226,167.48/312,098.94 = 125,559/x
  3. Step 3: Cross multiply
    226,167.48x = 312,098.94 × 125,559
  4. Step 4: Simplify right side
    226,167.48x = 39,186,830,807.46
  5. Step 5: Solve for x
    x = 39,186,830,807.46/226,167.48
  6. Step 6: Final answer
    x = 173,264.66

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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.