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Finding the Fourth Proportional to 173,226.80, 238,921.06 and 149,068.03

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Solution

The fourth proportional to 173,226.80, 238,921.06 and 149,068.03 is: 205,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,226.80 : 238,921.06 = 149,068.03 : x
  2. Step 2: Convert to fraction form
    173,226.80/238,921.06 = 149,068.03/x
  3. Step 3: Cross multiply
    173,226.80x = 238,921.06 × 149,068.03
  4. Step 4: Simplify right side
    173,226.80x = 35,615,492,419.02
  5. Step 5: Solve for x
    x = 35,615,492,419.02/173,226.80
  6. Step 6: Final answer
    x = 205,600.36

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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.