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Finding the Fourth Proportional to 173,109.88, 238,902.78 and 97,656.76

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Solution

The fourth proportional to 173,109.88, 238,902.78 and 97,656.76 is: 134,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.88 : 238,902.78 = 97,656.76 : x
  2. Step 2: Convert to fraction form
    173,109.88/238,902.78 = 97,656.76/x
  3. Step 3: Cross multiply
    173,109.88x = 238,902.78 × 97,656.76
  4. Step 4: Simplify right side
    173,109.88x = 23,330,471,449.79
  5. Step 5: Solve for x
    x = 23,330,471,449.79/173,109.88
  6. Step 6: Final answer
    x = 134,772.62

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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.