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Finding the Fourth Proportional to 235,163.67, 324,401.47 and 148,970.58

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Solution

The fourth proportional to 235,163.67, 324,401.47 and 148,970.58 is: 205,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,163.67 : 324,401.47 = 148,970.58 : x
  2. Step 2: Convert to fraction form
    235,163.67/324,401.47 = 148,970.58/x
  3. Step 3: Cross multiply
    235,163.67x = 324,401.47 × 148,970.58
  4. Step 4: Simplify right side
    235,163.67x = 48,326,275,127.88
  5. Step 5: Solve for x
    x = 48,326,275,127.88/235,163.67
  6. Step 6: Final answer
    x = 205,500.60

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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.