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Finding the Fourth Proportional to 181,855.38, 272,783.04 and 69,546.90

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Solution

The fourth proportional to 181,855.38, 272,783.04 and 69,546.90 is: 104,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,855.38 : 272,783.04 = 69,546.90 : x
  2. Step 2: Convert to fraction form
    181,855.38/272,783.04 = 69,546.90/x
  3. Step 3: Cross multiply
    181,855.38x = 272,783.04 × 69,546.90
  4. Step 4: Simplify right side
    181,855.38x = 18,971,215,957.91
  5. Step 5: Solve for x
    x = 18,971,215,957.91/181,855.38
  6. Step 6: Final answer
    x = 104,320.35

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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.