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Finding the Fourth Proportional to 67,358.71, 101,045.63 and 54,984.07

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Solution

The fourth proportional to 67,358.71, 101,045.63 and 54,984.07 is: 82,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,358.71 : 101,045.63 = 54,984.07 : x
  2. Step 2: Convert to fraction form
    67,358.71/101,045.63 = 54,984.07/x
  3. Step 3: Cross multiply
    67,358.71x = 101,045.63 × 54,984.07
  4. Step 4: Simplify right side
    67,358.71x = 5,555,899,993.11
  5. Step 5: Solve for x
    x = 5,555,899,993.11/67,358.71
  6. Step 6: Final answer
    x = 82,482.28

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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.