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Finding the Fourth Proportional to 174,705.80, 262,058.70 and 124,680.20

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Solution

The fourth proportional to 174,705.80, 262,058.70 and 124,680.20 is: 187,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,705.80 : 262,058.70 = 124,680.20 : x
  2. Step 2: Convert to fraction form
    174,705.80/262,058.70 = 124,680.20/x
  3. Step 3: Cross multiply
    174,705.80x = 262,058.70 × 124,680.20
  4. Step 4: Simplify right side
    174,705.80x = 32,673,531,127.74
  5. Step 5: Solve for x
    x = 32,673,531,127.74/174,705.80
  6. Step 6: Final answer
    x = 187,020.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.