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Finding the Fourth Proportional to 283,436.95, 425,215.40 and 93,886.59

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Solution

The fourth proportional to 283,436.95, 425,215.40 and 93,886.59 is: 140,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,436.95 : 425,215.40 = 93,886.59 : x
  2. Step 2: Convert to fraction form
    283,436.95/425,215.40 = 93,886.59/x
  3. Step 3: Cross multiply
    283,436.95x = 425,215.40 × 93,886.59
  4. Step 4: Simplify right side
    283,436.95x = 39,922,023,921.49
  5. Step 5: Solve for x
    x = 39,922,023,921.49/283,436.95
  6. Step 6: Final answer
    x = 140,849.75

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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.