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Finding the Fourth Proportional to 86,737.60, 119,661.62 and 67,584.11

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Solution

The fourth proportional to 86,737.60, 119,661.62 and 67,584.11 is: 93,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,737.60 : 119,661.62 = 67,584.11 : x
  2. Step 2: Convert to fraction form
    86,737.60/119,661.62 = 67,584.11/x
  3. Step 3: Cross multiply
    86,737.60x = 119,661.62 × 67,584.11
  4. Step 4: Simplify right side
    86,737.60x = 8,087,224,088.86
  5. Step 5: Solve for x
    x = 8,087,224,088.86/86,737.60
  6. Step 6: Final answer
    x = 93,237.81

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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.