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Finding the Fourth Proportional to 146,523.60, 219,785.40 and 137,775.60

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Solution

The fourth proportional to 146,523.60, 219,785.40 and 137,775.60 is: 206,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,523.60 : 219,785.40 = 137,775.60 : x
  2. Step 2: Convert to fraction form
    146,523.60/219,785.40 = 137,775.60/x
  3. Step 3: Cross multiply
    146,523.60x = 219,785.40 × 137,775.60
  4. Step 4: Simplify right side
    146,523.60x = 30,281,065,356.24
  5. Step 5: Solve for x
    x = 30,281,065,356.24/146,523.60
  6. Step 6: Final answer
    x = 206,663.40

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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.