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Finding the Fourth Proportional to 75,042.69, 103,526.80 and 43,204.83

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Solution

The fourth proportional to 75,042.69, 103,526.80 and 43,204.83 is: 59,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042.69 : 103,526.80 = 43,204.83 : x
  2. Step 2: Convert to fraction form
    75,042.69/103,526.80 = 43,204.83/x
  3. Step 3: Cross multiply
    75,042.69x = 103,526.80 × 43,204.83
  4. Step 4: Simplify right side
    75,042.69x = 4,472,857,794.44
  5. Step 5: Solve for x
    x = 4,472,857,794.44/75,042.69
  6. Step 6: Final answer
    x = 59,604.18

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1.5x scale

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.