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Finding the Fourth Proportional to 173,020.70, 238,723.38 and 101,362.20

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Solution

The fourth proportional to 173,020.70, 238,723.38 and 101,362.20 is: 139,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,020.70 : 238,723.38 = 101,362.20 : x
  2. Step 2: Convert to fraction form
    173,020.70/238,723.38 = 101,362.20/x
  3. Step 3: Cross multiply
    173,020.70x = 238,723.38 × 101,362.20
  4. Step 4: Simplify right side
    173,020.70x = 24,197,526,988.24
  5. Step 5: Solve for x
    x = 24,197,526,988.24/173,020.70
  6. Step 6: Final answer
    x = 139,853.36

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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.