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Finding the Fourth Proportional to 181,881.40, 272,822.10 and 111,800.20

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Solution

The fourth proportional to 181,881.40, 272,822.10 and 111,800.20 is: 167,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,881.40 : 272,822.10 = 111,800.20 : x
  2. Step 2: Convert to fraction form
    181,881.40/272,822.10 = 111,800.20/x
  3. Step 3: Cross multiply
    181,881.40x = 272,822.10 × 111,800.20
  4. Step 4: Simplify right side
    181,881.40x = 30,501,565,344.42
  5. Step 5: Solve for x
    x = 30,501,565,344.42/181,881.40
  6. Step 6: Final answer
    x = 167,700.30

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1.5x scale

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.