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Finding the Fourth Proportional to 91,477.88, 137,075.11 and 63,452.42

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Solution

The fourth proportional to 91,477.88, 137,075.11 and 63,452.42 is: 95,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,477.88 : 137,075.11 = 63,452.42 : x
  2. Step 2: Convert to fraction form
    91,477.88/137,075.11 = 63,452.42/x
  3. Step 3: Cross multiply
    91,477.88x = 137,075.11 × 63,452.42
  4. Step 4: Simplify right side
    91,477.88x = 8,697,746,607.26
  5. Step 5: Solve for x
    x = 8,697,746,607.26/91,477.88
  6. Step 6: Final answer
    x = 95,080.33

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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.