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Finding the Fourth Proportional to 181,699.89, 272,550.24 and 55,340.70

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Solution

The fourth proportional to 181,699.89, 272,550.24 and 55,340.70 is: 83,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,699.89 : 272,550.24 = 55,340.70 : x
  2. Step 2: Convert to fraction form
    181,699.89/272,550.24 = 55,340.70/x
  3. Step 3: Cross multiply
    181,699.89x = 272,550.24 × 55,340.70
  4. Step 4: Simplify right side
    181,699.89x = 15,083,121,066.77
  5. Step 5: Solve for x
    x = 15,083,121,066.77/181,699.89
  6. Step 6: Final answer
    x = 83,011.17

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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.