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Finding the Fourth Proportional to 107,032.20, 160,499.70 and 40,450.20

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Solution

The fourth proportional to 107,032.20, 160,499.70 and 40,450.20 is: 60,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,032.20 : 160,499.70 = 40,450.20 : x
  2. Step 2: Convert to fraction form
    107,032.20/160,499.70 = 40,450.20/x
  3. Step 3: Cross multiply
    107,032.20x = 160,499.70 × 40,450.20
  4. Step 4: Simplify right side
    107,032.20x = 6,492,244,964.94
  5. Step 5: Solve for x
    x = 6,492,244,964.94/107,032.20
  6. Step 6: Final answer
    x = 60,656.93

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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.