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Finding the Fourth Proportional to 70,858.69, 106,038.31 and 44,217.23

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Solution

The fourth proportional to 70,858.69, 106,038.31 and 44,217.23 is: 66,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.69 : 106,038.31 = 44,217.23 : x
  2. Step 2: Convert to fraction form
    70,858.69/106,038.31 = 44,217.23/x
  3. Step 3: Cross multiply
    70,858.69x = 106,038.31 × 44,217.23
  4. Step 4: Simplify right side
    70,858.69x = 4,688,720,342.08
  5. Step 5: Solve for x
    x = 4,688,720,342.08/70,858.69
  6. Step 6: Final answer
    x = 66,170.01

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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.