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Finding the Fourth Proportional to 224,728.20, 310,124.94 and 124,126.20

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Solution

The fourth proportional to 224,728.20, 310,124.94 and 124,126.20 is: 171,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,728.20 : 310,124.94 = 124,126.20 : x
  2. Step 2: Convert to fraction form
    224,728.20/310,124.94 = 124,126.20/x
  3. Step 3: Cross multiply
    224,728.20x = 310,124.94 × 124,126.20
  4. Step 4: Simplify right side
    224,728.20x = 38,494,630,327.43
  5. Step 5: Solve for x
    x = 38,494,630,327.43/224,728.20
  6. Step 6: Final answer
    x = 171,294.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.