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Finding the Fourth Proportional to 221,339.70, 332,182.35 and 103,025.70

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Solution

The fourth proportional to 221,339.70, 332,182.35 and 103,025.70 is: 154,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,339.70 : 332,182.35 = 103,025.70 : x
  2. Step 2: Convert to fraction form
    221,339.70/332,182.35 = 103,025.70/x
  3. Step 3: Cross multiply
    221,339.70x = 332,182.35 × 103,025.70
  4. Step 4: Simplify right side
    221,339.70x = 34,223,319,136.40
  5. Step 5: Solve for x
    x = 34,223,319,136.40/221,339.70
  6. Step 6: Final answer
    x = 154,618.98

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1.5x scale

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.