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Finding the Fourth Proportional to 64,075.68, 95,973.12 and 52,855.92

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Solution

The fourth proportional to 64,075.68, 95,973.12 and 52,855.92 is: 79,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.68 : 95,973.12 = 52,855.92 : x
  2. Step 2: Convert to fraction form
    64,075.68/95,973.12 = 52,855.92/x
  3. Step 3: Cross multiply
    64,075.68x = 95,973.12 × 52,855.92
  4. Step 4: Simplify right side
    64,075.68x = 5,072,747,552.87
  5. Step 5: Solve for x
    x = 5,072,747,552.87/64,075.68
  6. Step 6: Final answer
    x = 79,168.06

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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.