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Finding the Fourth Proportional to 181,335.80, 272,003.70 and 114,559.40

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Solution

The fourth proportional to 181,335.80, 272,003.70 and 114,559.40 is: 171,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,335.80 : 272,003.70 = 114,559.40 : x
  2. Step 2: Convert to fraction form
    181,335.80/272,003.70 = 114,559.40/x
  3. Step 3: Cross multiply
    181,335.80x = 272,003.70 × 114,559.40
  4. Step 4: Simplify right side
    181,335.80x = 31,160,580,669.78
  5. Step 5: Solve for x
    x = 31,160,580,669.78/181,335.80
  6. Step 6: Final answer
    x = 171,839.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.