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Finding the Fourth Proportional to 172,647.88, 238,258.74 and 97,199.08

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Solution

The fourth proportional to 172,647.88, 238,258.74 and 97,199.08 is: 134,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,647.88 : 238,258.74 = 97,199.08 : x
  2. Step 2: Convert to fraction form
    172,647.88/238,258.74 = 97,199.08/x
  3. Step 3: Cross multiply
    172,647.88x = 238,258.74 × 97,199.08
  4. Step 4: Simplify right side
    172,647.88x = 23,158,530,329.96
  5. Step 5: Solve for x
    x = 23,158,530,329.96/172,647.88
  6. Step 6: Final answer
    x = 134,137.36

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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.