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Finding the Fourth Proportional to 109,362.65, 150,920.43 and 59,061.65

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Solution

The fourth proportional to 109,362.65, 150,920.43 and 59,061.65 is: 81,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,362.65 : 150,920.43 = 59,061.65 : x
  2. Step 2: Convert to fraction form
    109,362.65/150,920.43 = 59,061.65/x
  3. Step 3: Cross multiply
    109,362.65x = 150,920.43 × 59,061.65
  4. Step 4: Simplify right side
    109,362.65x = 8,913,609,770.33
  5. Step 5: Solve for x
    x = 8,913,609,770.33/109,362.65
  6. Step 6: Final answer
    x = 81,505.06

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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.