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Finding the Fourth Proportional to 226,502, 312,572.96 and 124,529.20

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Solution

The fourth proportional to 226,502, 312,572.96 and 124,529.20 is: 171,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,502 : 312,572.96 = 124,529.20 : x
  2. Step 2: Convert to fraction form
    226,502/312,572.96 = 124,529.20/x
  3. Step 3: Cross multiply
    226,502x = 312,572.96 × 124,529.20
  4. Step 4: Simplify right side
    226,502x = 38,924,459,087.57
  5. Step 5: Solve for x
    x = 38,924,459,087.57/226,502
  6. Step 6: Final answer
    x = 171,850.40

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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.