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Finding the Fourth Proportional to 170,974, 235,944.21 and 95,522.50

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Solution

The fourth proportional to 170,974, 235,944.21 and 95,522.50 is: 131,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,974 : 235,944.21 = 95,522.50 : x
  2. Step 2: Convert to fraction form
    170,974/235,944.21 = 95,522.50/x
  3. Step 3: Cross multiply
    170,974x = 235,944.21 × 95,522.50
  4. Step 4: Simplify right side
    170,974x = 22,537,980,799.73
  5. Step 5: Solve for x
    x = 22,537,980,799.73/170,974
  6. Step 6: Final answer
    x = 131,821.10

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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.