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Finding the Fourth Proportional to 172,535.95, 238,099.12 and 97,084.45

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Solution

The fourth proportional to 172,535.95, 238,099.12 and 97,084.45 is: 133,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,535.95 : 238,099.12 = 97,084.45 : x
  2. Step 2: Convert to fraction form
    172,535.95/238,099.12 = 97,084.45/x
  3. Step 3: Cross multiply
    172,535.95x = 238,099.12 × 97,084.45
  4. Step 4: Simplify right side
    172,535.95x = 23,115,722,110.68
  5. Step 5: Solve for x
    x = 23,115,722,110.68/172,535.95
  6. Step 6: Final answer
    x = 133,976.26

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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.