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Finding the Fourth Proportional to 88,846.80, 133,075.80 and 77,182.80

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Solution

The fourth proportional to 88,846.80, 133,075.80 and 77,182.80 is: 115,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,846.80 : 133,075.80 = 77,182.80 : x
  2. Step 2: Convert to fraction form
    88,846.80/133,075.80 = 77,182.80/x
  3. Step 3: Cross multiply
    88,846.80x = 133,075.80 × 77,182.80
  4. Step 4: Simplify right side
    88,846.80x = 10,271,162,856.24
  5. Step 5: Solve for x
    x = 10,271,162,856.24/88,846.80
  6. Step 6: Final answer
    x = 115,605.32

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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.