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Finding the Fourth Proportional to 172,480.38, 238,022.84 and 97,028.88

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Solution

The fourth proportional to 172,480.38, 238,022.84 and 97,028.88 is: 133,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,480.38 : 238,022.84 = 97,028.88 : x
  2. Step 2: Convert to fraction form
    172,480.38/238,022.84 = 97,028.88/x
  3. Step 3: Cross multiply
    172,480.38x = 238,022.84 × 97,028.88
  4. Step 4: Simplify right side
    172,480.38x = 23,095,089,822.19
  5. Step 5: Solve for x
    x = 23,095,089,822.19/172,480.38
  6. Step 6: Final answer
    x = 133,899.81

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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.