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Finding the Fourth Proportional to 261,084.93, 360,270.11 and 153,648.56

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Solution

The fourth proportional to 261,084.93, 360,270.11 and 153,648.56 is: 212,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,084.93 : 360,270.11 = 153,648.56 : x
  2. Step 2: Convert to fraction form
    261,084.93/360,270.11 = 153,648.56/x
  3. Step 3: Cross multiply
    261,084.93x = 360,270.11 × 153,648.56
  4. Step 4: Simplify right side
    261,084.93x = 55,354,982,195.31
  5. Step 5: Solve for x
    x = 55,354,982,195.31/261,084.93
  6. Step 6: Final answer
    x = 212,019.06

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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.