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Finding the Fourth Proportional to 71,329.01, 106,525.13 and 57,310.34

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Solution

The fourth proportional to 71,329.01, 106,525.13 and 57,310.34 is: 85,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.01 : 106,525.13 = 57,310.34 : x
  2. Step 2: Convert to fraction form
    71,329.01/106,525.13 = 57,310.34/x
  3. Step 3: Cross multiply
    71,329.01x = 106,525.13 × 57,310.34
  4. Step 4: Simplify right side
    71,329.01x = 6,104,990,599.67
  5. Step 5: Solve for x
    x = 6,104,990,599.67/71,329.01
  6. Step 6: Final answer
    x = 85,589.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.