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Finding the Fourth Proportional to 70,491.88, 105,754.02 and 31,052.04

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Solution

The fourth proportional to 70,491.88, 105,754.02 and 31,052.04 is: 46,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,491.88 : 105,754.02 = 31,052.04 : x
  2. Step 2: Convert to fraction form
    70,491.88/105,754.02 = 31,052.04/x
  3. Step 3: Cross multiply
    70,491.88x = 105,754.02 × 31,052.04
  4. Step 4: Simplify right side
    70,491.88x = 3,283,878,059.20
  5. Step 5: Solve for x
    x = 3,283,878,059.20/70,491.88
  6. Step 6: Final answer
    x = 46,585.20

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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.