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Finding the Fourth Proportional to 181,684.40, 272,267.40 and 133,926.80

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Solution

The fourth proportional to 181,684.40, 272,267.40 and 133,926.80 is: 200,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,684.40 : 272,267.40 = 133,926.80 : x
  2. Step 2: Convert to fraction form
    181,684.40/272,267.40 = 133,926.80/x
  3. Step 3: Cross multiply
    181,684.40x = 272,267.40 × 133,926.80
  4. Step 4: Simplify right side
    181,684.40x = 36,463,901,626.32
  5. Step 5: Solve for x
    x = 36,463,901,626.32/181,684.40
  6. Step 6: Final answer
    x = 200,699.13

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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.