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Finding the Fourth Proportional to 172,451.08, 237,977.22 and 97,003.72

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Solution

The fourth proportional to 172,451.08, 237,977.22 and 97,003.72 is: 133,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,451.08 : 237,977.22 = 97,003.72 : x
  2. Step 2: Convert to fraction form
    172,451.08/237,977.22 = 97,003.72/x
  3. Step 3: Cross multiply
    172,451.08x = 237,977.22 × 97,003.72
  4. Step 4: Simplify right side
    172,451.08x = 23,084,675,615.26
  5. Step 5: Solve for x
    x = 23,084,675,615.26/172,451.08
  6. Step 6: Final answer
    x = 133,862.17

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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.