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Finding the Fourth Proportional to 176,990.80, 244,229.16 and 105,373.84

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Solution

The fourth proportional to 176,990.80, 244,229.16 and 105,373.84 is: 145,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,990.80 : 244,229.16 = 105,373.84 : x
  2. Step 2: Convert to fraction form
    176,990.80/244,229.16 = 105,373.84/x
  3. Step 3: Cross multiply
    176,990.80x = 244,229.16 × 105,373.84
  4. Step 4: Simplify right side
    176,990.80x = 25,735,364,429.17
  5. Step 5: Solve for x
    x = 25,735,364,429.17/176,990.80
  6. Step 6: Final answer
    x = 145,405.10

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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.