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Finding the Fourth Proportional to 86,737.94, 130,079.04 and 27,559.77

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Solution

The fourth proportional to 86,737.94, 130,079.04 and 27,559.77 is: 41,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,737.94 : 130,079.04 = 27,559.77 : x
  2. Step 2: Convert to fraction form
    86,737.94/130,079.04 = 27,559.77/x
  3. Step 3: Cross multiply
    86,737.94x = 130,079.04 × 27,559.77
  4. Step 4: Simplify right side
    86,737.94x = 3,584,948,424.22
  5. Step 5: Solve for x
    x = 3,584,948,424.22/86,737.94
  6. Step 6: Final answer
    x = 41,330.80

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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.