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Finding the Fourth Proportional to 169,253.12, 253,381.12 and 125,077.12

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Solution

The fourth proportional to 169,253.12, 253,381.12 and 125,077.12 is: 187,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,253.12 : 253,381.12 = 125,077.12 : x
  2. Step 2: Convert to fraction form
    169,253.12/253,381.12 = 125,077.12/x
  3. Step 3: Cross multiply
    169,253.12x = 253,381.12 × 125,077.12
  4. Step 4: Simplify right side
    169,253.12x = 31,692,180,751.97
  5. Step 5: Solve for x
    x = 31,692,180,751.97/169,253.12
  6. Step 6: Final answer
    x = 187,247.25

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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.