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Finding the Fourth Proportional to 226,572.75, 312,663.78 and 124,598.12

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Solution

The fourth proportional to 226,572.75, 312,663.78 and 124,598.12 is: 171,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,572.75 : 312,663.78 = 124,598.12 : x
  2. Step 2: Convert to fraction form
    226,572.75/312,663.78 = 124,598.12/x
  3. Step 3: Cross multiply
    226,572.75x = 312,663.78 × 124,598.12
  4. Step 4: Simplify right side
    226,572.75x = 38,957,317,616.77
  5. Step 5: Solve for x
    x = 38,957,317,616.77/226,572.75
  6. Step 6: Final answer
    x = 171,941.76

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1.5x scale

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.