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Finding the Fourth Proportional to 172,989.24, 238,724.46 and 93,501.24

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Solution

The fourth proportional to 172,989.24, 238,724.46 and 93,501.24 is: 129,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,989.24 : 238,724.46 = 93,501.24 : x
  2. Step 2: Convert to fraction form
    172,989.24/238,724.46 = 93,501.24/x
  3. Step 3: Cross multiply
    172,989.24x = 238,724.46 × 93,501.24
  4. Step 4: Simplify right side
    172,989.24x = 22,321,033,028.33
  5. Step 5: Solve for x
    x = 22,321,033,028.33/172,989.24
  6. Step 6: Final answer
    x = 129,031.34

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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.