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Finding the Fourth Proportional to 144,343.20, 216,539.64 and 49,568.88

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Solution

The fourth proportional to 144,343.20, 216,539.64 and 49,568.88 is: 74,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,343.20 : 216,539.64 = 49,568.88 : x
  2. Step 2: Convert to fraction form
    144,343.20/216,539.64 = 49,568.88/x
  3. Step 3: Cross multiply
    144,343.20x = 216,539.64 × 49,568.88
  4. Step 4: Simplify right side
    144,343.20x = 10,733,627,430.40
  5. Step 5: Solve for x
    x = 10,733,627,430.40/144,343.20
  6. Step 6: Final answer
    x = 74,361.85

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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.