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Finding the Fourth Proportional to 103,195.58, 154,793.58 and 28,316.76

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Solution

The fourth proportional to 103,195.58, 154,793.58 and 28,316.76 is: 42,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,195.58 : 154,793.58 = 28,316.76 : x
  2. Step 2: Convert to fraction form
    103,195.58/154,793.58 = 28,316.76/x
  3. Step 3: Cross multiply
    103,195.58x = 154,793.58 × 28,316.76
  4. Step 4: Simplify right side
    103,195.58x = 4,383,252,654.40
  5. Step 5: Solve for x
    x = 4,383,252,654.40/103,195.58
  6. Step 6: Final answer
    x = 42,475.20

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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.