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Finding the Fourth Proportional to 136,625.99, 204,552.59 and 72,437.91

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Solution

The fourth proportional to 136,625.99, 204,552.59 and 72,437.91 is: 108,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,625.99 : 204,552.59 = 72,437.91 : x
  2. Step 2: Convert to fraction form
    136,625.99/204,552.59 = 72,437.91/x
  3. Step 3: Cross multiply
    136,625.99x = 204,552.59 × 72,437.91
  4. Step 4: Simplify right side
    136,625.99x = 14,817,361,742.50
  5. Step 5: Solve for x
    x = 14,817,361,742.50/136,625.99
  6. Step 6: Final answer
    x = 108,452.00

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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.