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Finding the Fourth Proportional to 261,245.87, 360,185.57 and 169,202.55

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Solution

The fourth proportional to 261,245.87, 360,185.57 and 169,202.55 is: 233,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,245.87 : 360,185.57 = 169,202.55 : x
  2. Step 2: Convert to fraction form
    261,245.87/360,185.57 = 169,202.55/x
  3. Step 3: Cross multiply
    261,245.87x = 360,185.57 × 169,202.55
  4. Step 4: Simplify right side
    261,245.87x = 60,944,316,071.19
  5. Step 5: Solve for x
    x = 60,944,316,071.19/261,245.87
  6. Step 6: Final answer
    x = 233,283.37

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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.