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Finding the Fourth Proportional to 172,936.16, 238,652.29 and 97,484.66

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Solution

The fourth proportional to 172,936.16, 238,652.29 and 97,484.66 is: 134,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,936.16 : 238,652.29 = 97,484.66 : x
  2. Step 2: Convert to fraction form
    172,936.16/238,652.29 = 97,484.66/x
  3. Step 3: Cross multiply
    172,936.16x = 238,652.29 × 97,484.66
  4. Step 4: Simplify right side
    172,936.16x = 23,264,936,155.61
  5. Step 5: Solve for x
    x = 23,264,936,155.61/172,936.16
  6. Step 6: Final answer
    x = 134,529.05

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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.