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Finding the Fourth Proportional to 240,516.53, 360,673.29 and 72,060.81

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Solution

The fourth proportional to 240,516.53, 360,673.29 and 72,060.81 is: 108,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,516.53 : 360,673.29 = 72,060.81 : x
  2. Step 2: Convert to fraction form
    240,516.53/360,673.29 = 72,060.81/x
  3. Step 3: Cross multiply
    240,516.53x = 360,673.29 × 72,060.81
  4. Step 4: Simplify right side
    240,516.53x = 25,990,409,422.76
  5. Step 5: Solve for x
    x = 25,990,409,422.76/240,516.53
  6. Step 6: Final answer
    x = 108,060.80

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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.