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Finding the Fourth Proportional to 218,508.50, 327,762.93 and 124,948.64

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Solution

The fourth proportional to 218,508.50, 327,762.93 and 124,948.64 is: 187,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,508.50 : 327,762.93 = 124,948.64 : x
  2. Step 2: Convert to fraction form
    218,508.50/327,762.93 = 124,948.64/x
  3. Step 3: Cross multiply
    218,508.50x = 327,762.93 × 124,948.64
  4. Step 4: Simplify right side
    218,508.50x = 40,953,532,345.92
  5. Step 5: Solve for x
    x = 40,953,532,345.92/218,508.50
  6. Step 6: Final answer
    x = 187,423.06

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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.