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Finding the Fourth Proportional to 139,559.65, 209,255.19 and 62,608.56

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Solution

The fourth proportional to 139,559.65, 209,255.19 and 62,608.56 is: 93,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,559.65 : 209,255.19 = 62,608.56 : x
  2. Step 2: Convert to fraction form
    139,559.65/209,255.19 = 62,608.56/x
  3. Step 3: Cross multiply
    139,559.65x = 209,255.19 × 62,608.56
  4. Step 4: Simplify right side
    139,559.65x = 13,101,165,568.50
  5. Step 5: Solve for x
    x = 13,101,165,568.50/139,559.65
  6. Step 6: Final answer
    x = 93,875.02

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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.