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Finding the Fourth Proportional to 86,855.88, 130,264.20 and 44,118.03

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Solution

The fourth proportional to 86,855.88, 130,264.20 and 44,118.03 is: 66,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,855.88 : 130,264.20 = 44,118.03 : x
  2. Step 2: Convert to fraction form
    86,855.88/130,264.20 = 44,118.03/x
  3. Step 3: Cross multiply
    86,855.88x = 130,264.20 × 44,118.03
  4. Step 4: Simplify right side
    86,855.88x = 5,746,999,883.53
  5. Step 5: Solve for x
    x = 5,746,999,883.53/86,855.88
  6. Step 6: Final answer
    x = 66,167.08

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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.