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Finding the Fourth Proportional to 71,410.71, 107,191.44 and 69,802.24

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Solution

The fourth proportional to 71,410.71, 107,191.44 and 69,802.24 is: 104,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,410.71 : 107,191.44 = 69,802.24 : x
  2. Step 2: Convert to fraction form
    71,410.71/107,191.44 = 69,802.24/x
  3. Step 3: Cross multiply
    71,410.71x = 107,191.44 × 69,802.24
  4. Step 4: Simplify right side
    71,410.71x = 7,482,202,084.87
  5. Step 5: Solve for x
    x = 7,482,202,084.87/71,410.71
  6. Step 6: Final answer
    x = 104,777.03

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1.5x scale

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.