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Finding the Fourth Proportional to 173,071.88, 238,850.34 and 97,618.76

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Solution

The fourth proportional to 173,071.88, 238,850.34 and 97,618.76 is: 134,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,071.88 : 238,850.34 = 97,618.76 : x
  2. Step 2: Convert to fraction form
    173,071.88/238,850.34 = 97,618.76/x
  3. Step 3: Cross multiply
    173,071.88x = 238,850.34 × 97,618.76
  4. Step 4: Simplify right side
    173,071.88x = 23,316,274,016.38
  5. Step 5: Solve for x
    x = 23,316,274,016.38/173,071.88
  6. Step 6: Final answer
    x = 134,720.18

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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.