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Finding the Fourth Proportional to 172,765.74, 238,424.82 and 101,168.82

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Solution

The fourth proportional to 172,765.74, 238,424.82 and 101,168.82 is: 139,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,765.74 : 238,424.82 = 101,168.82 : x
  2. Step 2: Convert to fraction form
    172,765.74/238,424.82 = 101,168.82/x
  3. Step 3: Cross multiply
    172,765.74x = 238,424.82 × 101,168.82
  4. Step 4: Simplify right side
    172,765.74x = 24,121,157,698.11
  5. Step 5: Solve for x
    x = 24,121,157,698.11/172,765.74
  6. Step 6: Final answer
    x = 139,617.71

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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.