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Finding the Fourth Proportional to 86,963.35, 130,391.71 and 37,015.01

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Solution

The fourth proportional to 86,963.35, 130,391.71 and 37,015.01 is: 55,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963.35 : 130,391.71 = 37,015.01 : x
  2. Step 2: Convert to fraction form
    86,963.35/130,391.71 = 37,015.01/x
  3. Step 3: Cross multiply
    86,963.35x = 130,391.71 × 37,015.01
  4. Step 4: Simplify right side
    86,963.35x = 4,826,450,449.57
  5. Step 5: Solve for x
    x = 4,826,450,449.57/86,963.35
  6. Step 6: Final answer
    x = 55,499.82

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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.