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Finding the Fourth Proportional to 71,855.99, 99,153.75 and 44,256.26

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Solution

The fourth proportional to 71,855.99, 99,153.75 and 44,256.26 is: 61,069.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,855.99 : 99,153.75 = 44,256.26 : x
  2. Step 2: Convert to fraction form
    71,855.99/99,153.75 = 44,256.26/x
  3. Step 3: Cross multiply
    71,855.99x = 99,153.75 × 44,256.26
  4. Step 4: Simplify right side
    71,855.99x = 4,388,174,139.98
  5. Step 5: Solve for x
    x = 4,388,174,139.98/71,855.99
  6. Step 6: Final answer
    x = 61,069.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.