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Finding the Fourth Proportional to 240,384.60, 360,285.30 and 107,123.40

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Solution

The fourth proportional to 240,384.60, 360,285.30 and 107,123.40 is: 160,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,384.60 : 360,285.30 = 107,123.40 : x
  2. Step 2: Convert to fraction form
    240,384.60/360,285.30 = 107,123.40/x
  3. Step 3: Cross multiply
    240,384.60x = 360,285.30 × 107,123.40
  4. Step 4: Simplify right side
    240,384.60x = 38,594,986,306.02
  5. Step 5: Solve for x
    x = 38,594,986,306.02/240,384.60
  6. Step 6: Final answer
    x = 160,555.15

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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.