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Finding the Fourth Proportional to 172,451.93, 237,981.22 and 97,000.25

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Solution

The fourth proportional to 172,451.93, 237,981.22 and 97,000.25 is: 133,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,451.93 : 237,981.22 = 97,000.25 : x
  2. Step 2: Convert to fraction form
    172,451.93/237,981.22 = 97,000.25/x
  3. Step 3: Cross multiply
    172,451.93x = 237,981.22 × 97,000.25
  4. Step 4: Simplify right side
    172,451.93x = 23,084,237,835.31
  5. Step 5: Solve for x
    x = 23,084,237,835.31/172,451.93
  6. Step 6: Final answer
    x = 133,858.97

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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.