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Finding the Fourth Proportional to 70,361.65, 105,535.09 and 37,068.31

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Solution

The fourth proportional to 70,361.65, 105,535.09 and 37,068.31 is: 55,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,361.65 : 105,535.09 = 37,068.31 : x
  2. Step 2: Convert to fraction form
    70,361.65/105,535.09 = 37,068.31/x
  3. Step 3: Cross multiply
    70,361.65x = 105,535.09 × 37,068.31
  4. Step 4: Simplify right side
    70,361.65x = 3,912,007,432.00
  5. Step 5: Solve for x
    x = 3,912,007,432.00/70,361.65
  6. Step 6: Final answer
    x = 55,598.57

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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.