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Finding the Fourth Proportional to 88,428.95, 122,034.15 and 48,144.92

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Solution

The fourth proportional to 88,428.95, 122,034.15 and 48,144.92 is: 66,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,428.95 : 122,034.15 = 48,144.92 : x
  2. Step 2: Convert to fraction form
    88,428.95/122,034.15 = 48,144.92/x
  3. Step 3: Cross multiply
    88,428.95x = 122,034.15 × 48,144.92
  4. Step 4: Simplify right side
    88,428.95x = 5,875,324,513.56
  5. Step 5: Solve for x
    x = 5,875,324,513.56/88,428.95
  6. Step 6: Final answer
    x = 66,441.19

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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.