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Finding the Fourth Proportional to 283,552.35, 425,411.53 and 83,878.03

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Solution

The fourth proportional to 283,552.35, 425,411.53 and 83,878.03 is: 125,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,552.35 : 425,411.53 = 83,878.03 : x
  2. Step 2: Convert to fraction form
    283,552.35/425,411.53 = 83,878.03/x
  3. Step 3: Cross multiply
    283,552.35x = 425,411.53 × 83,878.03
  4. Step 4: Simplify right side
    283,552.35x = 35,682,681,397.76
  5. Step 5: Solve for x
    x = 35,682,681,397.76/283,552.35
  6. Step 6: Final answer
    x = 125,841.60

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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.