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Finding the Fourth Proportional to 86,776.63, 130,162.50 and 27,615.85

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Solution

The fourth proportional to 86,776.63, 130,162.50 and 27,615.85 is: 41,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,776.63 : 130,162.50 = 27,615.85 : x
  2. Step 2: Convert to fraction form
    86,776.63/130,162.50 = 27,615.85/x
  3. Step 3: Cross multiply
    86,776.63x = 130,162.50 × 27,615.85
  4. Step 4: Simplify right side
    86,776.63x = 3,594,548,075.63
  5. Step 5: Solve for x
    x = 3,594,548,075.63/86,776.63
  6. Step 6: Final answer
    x = 41,423.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.