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Finding the Fourth Proportional to 169,729.78, 234,234.51 and 94,278.28

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Solution

The fourth proportional to 169,729.78, 234,234.51 and 94,278.28 is: 130,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,729.78 : 234,234.51 = 94,278.28 : x
  2. Step 2: Convert to fraction form
    169,729.78/234,234.51 = 94,278.28/x
  3. Step 3: Cross multiply
    169,729.78x = 234,234.51 × 94,278.28
  4. Step 4: Simplify right side
    169,729.78x = 22,083,226,719.44
  5. Step 5: Solve for x
    x = 22,083,226,719.44/169,729.78
  6. Step 6: Final answer
    x = 130,108.14

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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.