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Finding the Fourth Proportional to 135,049.26, 186,368.02 and 75,433.26

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Solution

The fourth proportional to 135,049.26, 186,368.02 and 75,433.26 is: 104,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,049.26 : 186,368.02 = 75,433.26 : x
  2. Step 2: Convert to fraction form
    135,049.26/186,368.02 = 75,433.26/x
  3. Step 3: Cross multiply
    135,049.26x = 186,368.02 × 75,433.26
  4. Step 4: Simplify right side
    135,049.26x = 14,058,347,308.35
  5. Step 5: Solve for x
    x = 14,058,347,308.35/135,049.26
  6. Step 6: Final answer
    x = 104,097.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.