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Finding the Fourth Proportional to 283,154.76, 424,780.74 and 93,660.12

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Solution

The fourth proportional to 283,154.76, 424,780.74 and 93,660.12 is: 140,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,154.76 : 424,780.74 = 93,660.12 : x
  2. Step 2: Convert to fraction form
    283,154.76/424,780.74 = 93,660.12/x
  3. Step 3: Cross multiply
    283,154.76x = 424,780.74 × 93,660.12
  4. Step 4: Simplify right side
    283,154.76x = 39,785,015,082.09
  5. Step 5: Solve for x
    x = 39,785,015,082.09/283,154.76
  6. Step 6: Final answer
    x = 140,506.26

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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.