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Finding the Fourth Proportional to 109,354.88, 150,909.74 and 59,053.88

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Solution

The fourth proportional to 109,354.88, 150,909.74 and 59,053.88 is: 81,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,354.88 : 150,909.74 = 59,053.88 : x
  2. Step 2: Convert to fraction form
    109,354.88/150,909.74 = 59,053.88/x
  3. Step 3: Cross multiply
    109,354.88x = 150,909.74 × 59,053.88
  4. Step 4: Simplify right side
    109,354.88x = 8,911,804,626.97
  5. Step 5: Solve for x
    x = 8,911,804,626.97/109,354.88
  6. Step 6: Final answer
    x = 81,494.35

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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.