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Finding the Fourth Proportional to 171,248.40, 236,311.90 and 93,708.32

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Solution

The fourth proportional to 171,248.40, 236,311.90 and 93,708.32 is: 129,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,248.40 : 236,311.90 = 93,708.32 : x
  2. Step 2: Convert to fraction form
    171,248.40/236,311.90 = 93,708.32/x
  3. Step 3: Cross multiply
    171,248.40x = 236,311.90 × 93,708.32
  4. Step 4: Simplify right side
    171,248.40x = 22,144,389,729.18
  5. Step 5: Solve for x
    x = 22,144,389,729.18/171,248.40
  6. Step 6: Final answer
    x = 129,311.51

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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.