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Finding the Fourth Proportional to 63,842.99, 88,063.40 and 45,909.59

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Solution

The fourth proportional to 63,842.99, 88,063.40 and 45,909.59 is: 63,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,842.99 : 88,063.40 = 45,909.59 : x
  2. Step 2: Convert to fraction form
    63,842.99/88,063.40 = 45,909.59/x
  3. Step 3: Cross multiply
    63,842.99x = 88,063.40 × 45,909.59
  4. Step 4: Simplify right side
    63,842.99x = 4,042,954,262.46
  5. Step 5: Solve for x
    x = 4,042,954,262.46/63,842.99
  6. Step 6: Final answer
    x = 63,326.52

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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.