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Finding the Fourth Proportional to 240,620.16, 360,877.44 and 80,718.48

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Solution

The fourth proportional to 240,620.16, 360,877.44 and 80,718.48 is: 121,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,620.16 : 360,877.44 = 80,718.48 : x
  2. Step 2: Convert to fraction form
    240,620.16/360,877.44 = 80,718.48/x
  3. Step 3: Cross multiply
    240,620.16x = 360,877.44 × 80,718.48
  4. Step 4: Simplify right side
    240,620.16x = 29,129,478,423.09
  5. Step 5: Solve for x
    x = 29,129,478,423.09/240,620.16
  6. Step 6: Final answer
    x = 121,060.01

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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.