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Finding the Fourth Proportional to 283,316.32, 425,020.66 and 83,656.92

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Solution

The fourth proportional to 283,316.32, 425,020.66 and 83,656.92 is: 125,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,316.32 : 425,020.66 = 83,656.92 : x
  2. Step 2: Convert to fraction form
    283,316.32/425,020.66 = 83,656.92/x
  3. Step 3: Cross multiply
    283,316.32x = 425,020.66 × 83,656.92
  4. Step 4: Simplify right side
    283,316.32x = 35,555,919,351.97
  5. Step 5: Solve for x
    x = 35,555,919,351.97/283,316.32
  6. Step 6: Final answer
    x = 125,499.02

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1.5x scale

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.