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Finding the Fourth Proportional to 124,499.80, 186,749.70 and 96,506.20

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Solution

The fourth proportional to 124,499.80, 186,749.70 and 96,506.20 is: 144,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,499.80 : 186,749.70 = 96,506.20 : x
  2. Step 2: Convert to fraction form
    124,499.80/186,749.70 = 96,506.20/x
  3. Step 3: Cross multiply
    124,499.80x = 186,749.70 × 96,506.20
  4. Step 4: Simplify right side
    124,499.80x = 18,022,503,898.14
  5. Step 5: Solve for x
    x = 18,022,503,898.14/124,499.80
  6. Step 6: Final answer
    x = 144,759.30

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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.