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Finding the Fourth Proportional to 89,188.86, 133,797.06 and 30,019.86

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Solution

The fourth proportional to 89,188.86, 133,797.06 and 30,019.86 is: 45,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,188.86 : 133,797.06 = 30,019.86 : x
  2. Step 2: Convert to fraction form
    89,188.86/133,797.06 = 30,019.86/x
  3. Step 3: Cross multiply
    89,188.86x = 133,797.06 × 30,019.86
  4. Step 4: Simplify right side
    89,188.86x = 4,016,569,009.61
  5. Step 5: Solve for x
    x = 4,016,569,009.61/89,188.86
  6. Step 6: Final answer
    x = 45,034.42

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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.