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Finding the Fourth Proportional to 89,228.99, 123,135.90 and 48,942.93

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Solution

The fourth proportional to 89,228.99, 123,135.90 and 48,942.93 is: 67,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.99 : 123,135.90 = 48,942.93 : x
  2. Step 2: Convert to fraction form
    89,228.99/123,135.90 = 48,942.93/x
  3. Step 3: Cross multiply
    89,228.99x = 123,135.90 × 48,942.93
  4. Step 4: Simplify right side
    89,228.99x = 6,026,632,012.41
  5. Step 5: Solve for x
    x = 6,026,632,012.41/89,228.99
  6. Step 6: Final answer
    x = 67,541.19

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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.