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Finding the Fourth Proportional to 122,232.42, 168,648.21 and 70,536.42

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Solution

The fourth proportional to 122,232.42, 168,648.21 and 70,536.42 is: 97,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,232.42 : 168,648.21 = 70,536.42 : x
  2. Step 2: Convert to fraction form
    122,232.42/168,648.21 = 70,536.42/x
  3. Step 3: Cross multiply
    122,232.42x = 168,648.21 × 70,536.42
  4. Step 4: Simplify right side
    122,232.42x = 11,895,840,972.81
  5. Step 5: Solve for x
    x = 11,895,840,972.81/122,232.42
  6. Step 6: Final answer
    x = 97,321.49

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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.