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Finding the Fourth Proportional to 122,847.32, 169,527.34 and 69,132.32

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Solution

The fourth proportional to 122,847.32, 169,527.34 and 69,132.32 is: 95,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,847.32 : 169,527.34 = 69,132.32 : x
  2. Step 2: Convert to fraction form
    122,847.32/169,527.34 = 69,132.32/x
  3. Step 3: Cross multiply
    122,847.32x = 169,527.34 × 69,132.32
  4. Step 4: Simplify right side
    122,847.32x = 11,719,818,317.63
  5. Step 5: Solve for x
    x = 11,719,818,317.63/122,847.32
  6. Step 6: Final answer
    x = 95,401.50

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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.