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Finding the Fourth Proportional to 159,314.90, 219,854.49 and 92,246.90

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Solution

The fourth proportional to 159,314.90, 219,854.49 and 92,246.90 is: 127,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,314.90 : 219,854.49 = 92,246.90 : x
  2. Step 2: Convert to fraction form
    159,314.90/219,854.49 = 92,246.90/x
  3. Step 3: Cross multiply
    159,314.90x = 219,854.49 × 92,246.90
  4. Step 4: Simplify right side
    159,314.90x = 20,280,895,153.58
  5. Step 5: Solve for x
    x = 20,280,895,153.58/159,314.90
  6. Step 6: Final answer
    x = 127,300.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.