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Finding the Fourth Proportional to 172,024, 237,393.12 and 96,572.50

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Solution

The fourth proportional to 172,024, 237,393.12 and 96,572.50 is: 133,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,024 : 237,393.12 = 96,572.50 : x
  2. Step 2: Convert to fraction form
    172,024/237,393.12 = 96,572.50/x
  3. Step 3: Cross multiply
    172,024x = 237,393.12 × 96,572.50
  4. Step 4: Simplify right side
    172,024x = 22,925,647,081.20
  5. Step 5: Solve for x
    x = 22,925,647,081.20/172,024
  6. Step 6: Final answer
    x = 133,270.05

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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.