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Finding the Fourth Proportional to 248,363.56, 370,742.21 and 229,860.52

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Solution

The fourth proportional to 248,363.56, 370,742.21 and 229,860.52 is: 343,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,363.56 : 370,742.21 = 229,860.52 : x
  2. Step 2: Convert to fraction form
    248,363.56/370,742.21 = 229,860.52/x
  3. Step 3: Cross multiply
    248,363.56x = 370,742.21 × 229,860.52
  4. Step 4: Simplify right side
    248,363.56x = 85,218,997,176.55
  5. Step 5: Solve for x
    x = 85,218,997,176.55/248,363.56
  6. Step 6: Final answer
    x = 343,121.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.