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Finding the Fourth Proportional to 224,739.95, 310,129.27 and 122,763.94

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Solution

The fourth proportional to 224,739.95, 310,129.27 and 122,763.94 is: 169,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,739.95 : 310,129.27 = 122,763.94 : x
  2. Step 2: Convert to fraction form
    224,739.95/310,129.27 = 122,763.94/x
  3. Step 3: Cross multiply
    224,739.95x = 310,129.27 × 122,763.94
  4. Step 4: Simplify right side
    224,739.95x = 38,072,690,012.29
  5. Step 5: Solve for x
    x = 38,072,690,012.29/224,739.95
  6. Step 6: Final answer
    x = 169,407.76

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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.