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Finding the Fourth Proportional to 89,486.16, 134,332.92 and 48,014.16

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Solution

The fourth proportional to 89,486.16, 134,332.92 and 48,014.16 is: 72,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,486.16 : 134,332.92 = 48,014.16 : x
  2. Step 2: Convert to fraction form
    89,486.16/134,332.92 = 48,014.16/x
  3. Step 3: Cross multiply
    89,486.16x = 134,332.92 × 48,014.16
  4. Step 4: Simplify right side
    89,486.16x = 6,449,882,314.15
  5. Step 5: Solve for x
    x = 6,449,882,314.15/89,486.16
  6. Step 6: Final answer
    x = 72,076.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.