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Finding the Fourth Proportional to 98,680.60, 148,020.90 and 24,808.60

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Solution

The fourth proportional to 98,680.60, 148,020.90 and 24,808.60 is: 37,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680.60 : 148,020.90 = 24,808.60 : x
  2. Step 2: Convert to fraction form
    98,680.60/148,020.90 = 24,808.60/x
  3. Step 3: Cross multiply
    98,680.60x = 148,020.90 × 24,808.60
  4. Step 4: Simplify right side
    98,680.60x = 3,672,191,299.74
  5. Step 5: Solve for x
    x = 3,672,191,299.74/98,680.60
  6. Step 6: Final answer
    x = 37,212.90

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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.