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Finding the Fourth Proportional to 86,810.52, 130,220.24 and 24,485.88

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Solution

The fourth proportional to 86,810.52, 130,220.24 and 24,485.88 is: 36,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810.52 : 130,220.24 = 24,485.88 : x
  2. Step 2: Convert to fraction form
    86,810.52/130,220.24 = 24,485.88/x
  3. Step 3: Cross multiply
    86,810.52x = 130,220.24 × 24,485.88
  4. Step 4: Simplify right side
    86,810.52x = 3,188,557,170.21
  5. Step 5: Solve for x
    x = 3,188,557,170.21/86,810.52
  6. Step 6: Final answer
    x = 36,730.08

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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.