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Finding the Fourth Proportional to 176,321.01, 243,315.52 and 99,844.29

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Solution

The fourth proportional to 176,321.01, 243,315.52 and 99,844.29 is: 137,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,321.01 : 243,315.52 = 99,844.29 : x
  2. Step 2: Convert to fraction form
    176,321.01/243,315.52 = 99,844.29/x
  3. Step 3: Cross multiply
    176,321.01x = 243,315.52 × 99,844.29
  4. Step 4: Simplify right side
    176,321.01x = 24,293,665,340.38
  5. Step 5: Solve for x
    x = 24,293,665,340.38/176,321.01
  6. Step 6: Final answer
    x = 137,780.89

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1.5x scale

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.