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Finding the Fourth Proportional to 136,207.32, 204,352.74 and 69,694.74

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Solution

The fourth proportional to 136,207.32, 204,352.74 and 69,694.74 is: 104,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207.32 : 204,352.74 = 69,694.74 : x
  2. Step 2: Convert to fraction form
    136,207.32/204,352.74 = 69,694.74/x
  3. Step 3: Cross multiply
    136,207.32x = 204,352.74 × 69,694.74
  4. Step 4: Simplify right side
    136,207.32x = 14,242,311,082.59
  5. Step 5: Solve for x
    x = 14,242,311,082.59/136,207.32
  6. Step 6: Final answer
    x = 104,563.48

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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.