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Finding the Fourth Proportional to 146,452.80, 219,614.40 and 67,526.40

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Solution

The fourth proportional to 146,452.80, 219,614.40 and 67,526.40 is: 101,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,452.80 : 219,614.40 = 67,526.40 : x
  2. Step 2: Convert to fraction form
    146,452.80/219,614.40 = 67,526.40/x
  3. Step 3: Cross multiply
    146,452.80x = 219,614.40 × 67,526.40
  4. Step 4: Simplify right side
    146,452.80x = 14,829,769,820.16
  5. Step 5: Solve for x
    x = 14,829,769,820.16/146,452.80
  6. Step 6: Final answer
    x = 101,259.72

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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.