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Finding the Fourth Proportional to 146,552.40, 219,835.80 and 76,568.40

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Solution

The fourth proportional to 146,552.40, 219,835.80 and 76,568.40 is: 114,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,552.40 : 219,835.80 = 76,568.40 : x
  2. Step 2: Convert to fraction form
    146,552.40/219,835.80 = 76,568.40/x
  3. Step 3: Cross multiply
    146,552.40x = 219,835.80 × 76,568.40
  4. Step 4: Simplify right side
    146,552.40x = 16,832,475,468.72
  5. Step 5: Solve for x
    x = 16,832,475,468.72/146,552.40
  6. Step 6: Final answer
    x = 114,856.36

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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.