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Finding the Fourth Proportional to 162,135.41, 223,737.53 and 90,519.98

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Solution

The fourth proportional to 162,135.41, 223,737.53 and 90,519.98 is: 124,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,135.41 : 223,737.53 = 90,519.98 : x
  2. Step 2: Convert to fraction form
    162,135.41/223,737.53 = 90,519.98/x
  3. Step 3: Cross multiply
    162,135.41x = 223,737.53 × 90,519.98
  4. Step 4: Simplify right side
    162,135.41x = 20,252,715,169.56
  5. Step 5: Solve for x
    x = 20,252,715,169.56/162,135.41
  6. Step 6: Final answer
    x = 124,912.35

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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.