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Finding the Fourth Proportional to 60,551.80, 90,843.90 and 43,055.80

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Solution

The fourth proportional to 60,551.80, 90,843.90 and 43,055.80 is: 64,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,551.80 : 90,843.90 = 43,055.80 : x
  2. Step 2: Convert to fraction form
    60,551.80/90,843.90 = 43,055.80/x
  3. Step 3: Cross multiply
    60,551.80x = 90,843.90 × 43,055.80
  4. Step 4: Simplify right side
    60,551.80x = 3,911,356,789.62
  5. Step 5: Solve for x
    x = 3,911,356,789.62/60,551.80
  6. Step 6: Final answer
    x = 64,595.22

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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.