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Finding the Fourth Proportional to 224,599.95, 309,945.81 and 122,624.52

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Solution

The fourth proportional to 224,599.95, 309,945.81 and 122,624.52 is: 169,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,599.95 : 309,945.81 = 122,624.52 : x
  2. Step 2: Convert to fraction form
    224,599.95/309,945.81 = 122,624.52/x
  3. Step 3: Cross multiply
    224,599.95x = 309,945.81 × 122,624.52
  4. Step 4: Simplify right side
    224,599.95x = 38,006,956,177.26
  5. Step 5: Solve for x
    x = 38,006,956,177.26/224,599.95
  6. Step 6: Final answer
    x = 169,220.68

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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.