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Finding the Fourth Proportional to 133,281.04, 199,954.38 and 93,915.04

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Solution

The fourth proportional to 133,281.04, 199,954.38 and 93,915.04 is: 140,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,281.04 : 199,954.38 = 93,915.04 : x
  2. Step 2: Convert to fraction form
    133,281.04/199,954.38 = 93,915.04/x
  3. Step 3: Cross multiply
    133,281.04x = 199,954.38 × 93,915.04
  4. Step 4: Simplify right side
    133,281.04x = 18,778,723,595.88
  5. Step 5: Solve for x
    x = 18,778,723,595.88/133,281.04
  6. Step 6: Final answer
    x = 140,895.69

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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.