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Finding the Fourth Proportional to 262,155.56, 361,737.62 and 147,418.26

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Solution

The fourth proportional to 262,155.56, 361,737.62 and 147,418.26 is: 203,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,155.56 : 361,737.62 = 147,418.26 : x
  2. Step 2: Convert to fraction form
    262,155.56/361,737.62 = 147,418.26/x
  3. Step 3: Cross multiply
    262,155.56x = 361,737.62 × 147,418.26
  4. Step 4: Simplify right side
    262,155.56x = 53,326,730,516.94
  5. Step 5: Solve for x
    x = 53,326,730,516.94/262,155.56
  6. Step 6: Final answer
    x = 203,416.36

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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.