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Finding the Fourth Proportional to 87,094.63, 120,050.67 and 65,552.68

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Solution

The fourth proportional to 87,094.63, 120,050.67 and 65,552.68 is: 90,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,094.63 : 120,050.67 = 65,552.68 : x
  2. Step 2: Convert to fraction form
    87,094.63/120,050.67 = 65,552.68/x
  3. Step 3: Cross multiply
    87,094.63x = 120,050.67 × 65,552.68
  4. Step 4: Simplify right side
    87,094.63x = 7,869,643,154.30
  5. Step 5: Solve for x
    x = 7,869,643,154.30/87,094.63
  6. Step 6: Final answer
    x = 90,357.39

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1.5x scale

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.