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Finding the Fourth Proportional to 173,243.68, 239,071.44 and 97,799.20

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Solution

The fourth proportional to 173,243.68, 239,071.44 and 97,799.20 is: 134,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,243.68 : 239,071.44 = 97,799.20 : x
  2. Step 2: Convert to fraction form
    173,243.68/239,071.44 = 97,799.20/x
  3. Step 3: Cross multiply
    173,243.68x = 239,071.44 × 97,799.20
  4. Step 4: Simplify right side
    173,243.68x = 23,380,995,574.85
  5. Step 5: Solve for x
    x = 23,380,995,574.85/173,243.68
  6. Step 6: Final answer
    x = 134,960.16

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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.