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Finding the Fourth Proportional to 133,446.54, 199,948.35 and 93,920.61

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Solution

The fourth proportional to 133,446.54, 199,948.35 and 93,920.61 is: 140,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,446.54 : 199,948.35 = 93,920.61 : x
  2. Step 2: Convert to fraction form
    133,446.54/199,948.35 = 93,920.61/x
  3. Step 3: Cross multiply
    133,446.54x = 199,948.35 × 93,920.61
  4. Step 4: Simplify right side
    133,446.54x = 18,779,271,574.20
  5. Step 5: Solve for x
    x = 18,779,271,574.20/133,446.54
  6. Step 6: Final answer
    x = 140,725.06

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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.