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Finding the Fourth Proportional to 136,656.01, 204,563.45 and 89,168.95

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Solution

The fourth proportional to 136,656.01, 204,563.45 and 89,168.95 is: 133,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,656.01 : 204,563.45 = 89,168.95 : x
  2. Step 2: Convert to fraction form
    136,656.01/204,563.45 = 89,168.95/x
  3. Step 3: Cross multiply
    136,656.01x = 204,563.45 × 89,168.95
  4. Step 4: Simplify right side
    136,656.01x = 18,240,708,523.50
  5. Step 5: Solve for x
    x = 18,240,708,523.50/136,656.01
  6. Step 6: Final answer
    x = 133,479.01

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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.