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Finding the Fourth Proportional to 262,010.40, 361,566.44 and 147,290.10

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Solution

The fourth proportional to 262,010.40, 361,566.44 and 147,290.10 is: 203,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,010.40 : 361,566.44 = 147,290.10 : x
  2. Step 2: Convert to fraction form
    262,010.40/361,566.44 = 147,290.10/x
  3. Step 3: Cross multiply
    262,010.40x = 361,566.44 × 147,290.10
  4. Step 4: Simplify right side
    262,010.40x = 53,255,157,104.24
  5. Step 5: Solve for x
    x = 53,255,157,104.24/262,010.40
  6. Step 6: Final answer
    x = 203,255.89

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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.