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Finding the Fourth Proportional to 262,140.15, 361,749.95 and 147,418.76

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Solution

The fourth proportional to 262,140.15, 361,749.95 and 147,418.76 is: 203,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,140.15 : 361,749.95 = 147,418.76 : x
  2. Step 2: Convert to fraction form
    262,140.15/361,749.95 = 147,418.76/x
  3. Step 3: Cross multiply
    262,140.15x = 361,749.95 × 147,418.76
  4. Step 4: Simplify right side
    262,140.15x = 53,328,728,573.55
  5. Step 5: Solve for x
    x = 53,328,728,573.55/262,140.15
  6. Step 6: Final answer
    x = 203,435.94

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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.