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Finding the Fourth Proportional to 113,469, 170,281.26 and 39,597

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Solution

The fourth proportional to 113,469, 170,281.26 and 39,597 is: 59,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,469 : 170,281.26 = 39,597 : x
  2. Step 2: Convert to fraction form
    113,469/170,281.26 = 39,597/x
  3. Step 3: Cross multiply
    113,469x = 170,281.26 × 39,597
  4. Step 4: Simplify right side
    113,469x = 6,742,627,052.22
  5. Step 5: Solve for x
    x = 6,742,627,052.22/113,469
  6. Step 6: Final answer
    x = 59,422.64

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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.