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Finding the Fourth Proportional to 169,181.88, 233,471.06 and 101,201.72

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Solution

The fourth proportional to 169,181.88, 233,471.06 and 101,201.72 is: 139,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,181.88 : 233,471.06 = 101,201.72 : x
  2. Step 2: Convert to fraction form
    169,181.88/233,471.06 = 101,201.72/x
  3. Step 3: Cross multiply
    169,181.88x = 233,471.06 × 101,201.72
  4. Step 4: Simplify right side
    169,181.88x = 23,627,671,168.86
  5. Step 5: Solve for x
    x = 23,627,671,168.86/169,181.88
  6. Step 6: Final answer
    x = 139,658.40

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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.