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Finding the Fourth Proportional to 260,877.03, 360,000.03 and 147,699.78

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Solution

The fourth proportional to 260,877.03, 360,000.03 and 147,699.78 is: 203,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,877.03 : 360,000.03 = 147,699.78 : x
  2. Step 2: Convert to fraction form
    260,877.03/360,000.03 = 147,699.78/x
  3. Step 3: Cross multiply
    260,877.03x = 360,000.03 × 147,699.78
  4. Step 4: Simplify right side
    260,877.03x = 53,171,925,230.99
  5. Step 5: Solve for x
    x = 53,171,925,230.99/260,877.03
  6. Step 6: Final answer
    x = 203,819.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.