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Finding the Fourth Proportional to 172,767.93, 238,338.21 and 101,103.60

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Solution

The fourth proportional to 172,767.93, 238,338.21 and 101,103.60 is: 139,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,767.93 : 238,338.21 = 101,103.60 : x
  2. Step 2: Convert to fraction form
    172,767.93/238,338.21 = 101,103.60/x
  3. Step 3: Cross multiply
    172,767.93x = 238,338.21 × 101,103.60
  4. Step 4: Simplify right side
    172,767.93x = 24,096,851,048.56
  5. Step 5: Solve for x
    x = 24,096,851,048.56/172,767.93
  6. Step 6: Final answer
    x = 139,475.25

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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.