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Finding the Fourth Proportional to 84,572,843.80, 126,859,265.70 and 59,063,675.80

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Solution

The fourth proportional to 84,572,843.80, 126,859,265.70 and 59,063,675.80 is: 88,595,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,572,843.80 : 126,859,265.70 = 59,063,675.80 : x
  2. Step 2: Convert to fraction form
    84,572,843.80/126,859,265.70 = 59,063,675.80/x
  3. Step 3: Cross multiply
    84,572,843.80x = 126,859,265.70 × 59,063,675.80
  4. Step 4: Simplify right side
    84,572,843.80x = 7,492,774,541,530,860
  5. Step 5: Solve for x
    x = 7,492,774,541,530,860/84,572,843.80
  6. Step 6: Final answer
    x = 88,595,513.70

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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.