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Finding the Fourth Proportional to 181,758.64, 272,605.08 and 55,368.64

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Solution

The fourth proportional to 181,758.64, 272,605.08 and 55,368.64 is: 83,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,758.64 : 272,605.08 = 55,368.64 : x
  2. Step 2: Convert to fraction form
    181,758.64/272,605.08 = 55,368.64/x
  3. Step 3: Cross multiply
    181,758.64x = 272,605.08 × 55,368.64
  4. Step 4: Simplify right side
    181,758.64x = 15,093,772,536.69
  5. Step 5: Solve for x
    x = 15,093,772,536.69/181,758.64
  6. Step 6: Final answer
    x = 83,042.94

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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.