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Finding the Fourth Proportional to 70,810.68, 106,181.46 and 25,203.18

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Solution

The fourth proportional to 70,810.68, 106,181.46 and 25,203.18 is: 37,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,810.68 : 106,181.46 = 25,203.18 : x
  2. Step 2: Convert to fraction form
    70,810.68/106,181.46 = 25,203.18/x
  3. Step 3: Cross multiply
    70,810.68x = 106,181.46 × 25,203.18
  4. Step 4: Simplify right side
    70,810.68x = 2,676,110,449.04
  5. Step 5: Solve for x
    x = 2,676,110,449.04/70,810.68
  6. Step 6: Final answer
    x = 37,792.47

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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.