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Finding the Fourth Proportional to 224,932.90, 310,415.76 and 122,965.15

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Solution

The fourth proportional to 224,932.90, 310,415.76 and 122,965.15 is: 169,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,932.90 : 310,415.76 = 122,965.15 : x
  2. Step 2: Convert to fraction form
    224,932.90/310,415.76 = 122,965.15/x
  3. Step 3: Cross multiply
    224,932.90x = 310,415.76 × 122,965.15
  4. Step 4: Simplify right side
    224,932.90x = 38,170,320,490.76
  5. Step 5: Solve for x
    x = 38,170,320,490.76/224,932.90
  6. Step 6: Final answer
    x = 169,696.48

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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.