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Finding the Fourth Proportional to 181,996.86, 272,996.01 and 55,636.64

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Solution

The fourth proportional to 181,996.86, 272,996.01 and 55,636.64 is: 83,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,996.86 : 272,996.01 = 55,636.64 : x
  2. Step 2: Convert to fraction form
    181,996.86/272,996.01 = 55,636.64/x
  3. Step 3: Cross multiply
    181,996.86x = 272,996.01 × 55,636.64
  4. Step 4: Simplify right side
    181,996.86x = 15,188,579,364.83
  5. Step 5: Solve for x
    x = 15,188,579,364.83/181,996.86
  6. Step 6: Final answer
    x = 83,455.17

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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.