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Finding the Fourth Proportional to 284,080.68, 425,544.84 and 132,064.74

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Solution

The fourth proportional to 284,080.68, 425,544.84 and 132,064.74 is: 197,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,080.68 : 425,544.84 = 132,064.74 : x
  2. Step 2: Convert to fraction form
    284,080.68/425,544.84 = 132,064.74/x
  3. Step 3: Cross multiply
    284,080.68x = 425,544.84 × 132,064.74
  4. Step 4: Simplify right side
    284,080.68x = 56,199,468,652.94
  5. Step 5: Solve for x
    x = 56,199,468,652.94/284,080.68
  6. Step 6: Final answer
    x = 197,829.25

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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.