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Finding the Fourth Proportional to 172,682.88, 238,307.04 and 97,234.08

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Solution

The fourth proportional to 172,682.88, 238,307.04 and 97,234.08 is: 134,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,682.88 : 238,307.04 = 97,234.08 : x
  2. Step 2: Convert to fraction form
    172,682.88/238,307.04 = 97,234.08/x
  3. Step 3: Cross multiply
    172,682.88x = 238,307.04 × 97,234.08
  4. Step 4: Simplify right side
    172,682.88x = 23,171,565,791.92
  5. Step 5: Solve for x
    x = 23,171,565,791.92/172,682.88
  6. Step 6: Final answer
    x = 134,185.66

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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.