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Finding the Fourth Proportional to 123,468.09, 185,075.01 and 48,557.87

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Solution

The fourth proportional to 123,468.09, 185,075.01 and 48,557.87 is: 72,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,468.09 : 185,075.01 = 48,557.87 : x
  2. Step 2: Convert to fraction form
    123,468.09/185,075.01 = 48,557.87/x
  3. Step 3: Cross multiply
    123,468.09x = 185,075.01 × 48,557.87
  4. Step 4: Simplify right side
    123,468.09x = 8,986,847,350.45
  5. Step 5: Solve for x
    x = 8,986,847,350.45/123,468.09
  6. Step 6: Final answer
    x = 72,786.80

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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.