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Finding the Fourth Proportional to 226,572.34, 312,663.22 and 124,597.70

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Solution

The fourth proportional to 226,572.34, 312,663.22 and 124,597.70 is: 171,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,572.34 : 312,663.22 = 124,597.70 : x
  2. Step 2: Convert to fraction form
    226,572.34/312,663.22 = 124,597.70/x
  3. Step 3: Cross multiply
    226,572.34x = 312,663.22 × 124,597.70
  4. Step 4: Simplify right side
    226,572.34x = 38,957,118,086.59
  5. Step 5: Solve for x
    x = 38,957,118,086.59/226,572.34
  6. Step 6: Final answer
    x = 171,941.19

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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.