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Finding the Fourth Proportional to 283,711.19, 425,561.49 and 70,479.59

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Solution

The fourth proportional to 283,711.19, 425,561.49 and 70,479.59 is: 105,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,711.19 : 425,561.49 = 70,479.59 : x
  2. Step 2: Convert to fraction form
    283,711.19/425,561.49 = 70,479.59/x
  3. Step 3: Cross multiply
    283,711.19x = 425,561.49 × 70,479.59
  4. Step 4: Simplify right side
    283,711.19x = 29,993,397,207.18
  5. Step 5: Solve for x
    x = 29,993,397,207.18/283,711.19
  6. Step 6: Final answer
    x = 105,718.06

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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.