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Finding the Fourth Proportional to 64,308.52, 88,686.42 and 44,129.80

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Solution

The fourth proportional to 64,308.52, 88,686.42 and 44,129.80 is: 60,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,308.52 : 88,686.42 = 44,129.80 : x
  2. Step 2: Convert to fraction form
    64,308.52/88,686.42 = 44,129.80/x
  3. Step 3: Cross multiply
    64,308.52x = 88,686.42 × 44,129.80
  4. Step 4: Simplify right side
    64,308.52x = 3,913,713,977.32
  5. Step 5: Solve for x
    x = 3,913,713,977.32/64,308.52
  6. Step 6: Final answer
    x = 60,858.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.