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Finding the Fourth Proportional to 64,055.78, 95,663.13 and 54,594.98

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Solution

The fourth proportional to 64,055.78, 95,663.13 and 54,594.98 is: 81,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,055.78 : 95,663.13 = 54,594.98 : x
  2. Step 2: Convert to fraction form
    64,055.78/95,663.13 = 54,594.98/x
  3. Step 3: Cross multiply
    64,055.78x = 95,663.13 × 54,594.98
  4. Step 4: Simplify right side
    64,055.78x = 5,222,726,396.11
  5. Step 5: Solve for x
    x = 5,222,726,396.11/64,055.78
  6. Step 6: Final answer
    x = 81,534.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.