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Finding the Fourth Proportional to 107,933.60, 161,900.40 and 88,234.40

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Solution

The fourth proportional to 107,933.60, 161,900.40 and 88,234.40 is: 132,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,933.60 : 161,900.40 = 88,234.40 : x
  2. Step 2: Convert to fraction form
    107,933.60/161,900.40 = 88,234.40/x
  3. Step 3: Cross multiply
    107,933.60x = 161,900.40 × 88,234.40
  4. Step 4: Simplify right side
    107,933.60x = 14,285,184,653.76
  5. Step 5: Solve for x
    x = 14,285,184,653.76/107,933.60
  6. Step 6: Final answer
    x = 132,351.60

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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.