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Finding the Fourth Proportional to 149,070.64, 223,605.96 and 43,889.62

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Solution

The fourth proportional to 149,070.64, 223,605.96 and 43,889.62 is: 65,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,070.64 : 223,605.96 = 43,889.62 : x
  2. Step 2: Convert to fraction form
    149,070.64/223,605.96 = 43,889.62/x
  3. Step 3: Cross multiply
    149,070.64x = 223,605.96 × 43,889.62
  4. Step 4: Simplify right side
    149,070.64x = 9,813,980,614.14
  5. Step 5: Solve for x
    x = 9,813,980,614.14/149,070.64
  6. Step 6: Final answer
    x = 65,834.43

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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.