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Finding the Fourth Proportional to 240,515.53, 360,671.79 and 72,059.81

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Solution

The fourth proportional to 240,515.53, 360,671.79 and 72,059.81 is: 108,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,515.53 : 360,671.79 = 72,059.81 : x
  2. Step 2: Convert to fraction form
    240,515.53/360,671.79 = 72,059.81/x
  3. Step 3: Cross multiply
    240,515.53x = 360,671.79 × 72,059.81
  4. Step 4: Simplify right side
    240,515.53x = 25,989,939,126.63
  5. Step 5: Solve for x
    x = 25,989,939,126.63/240,515.53
  6. Step 6: Final answer
    x = 108,059.30

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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.