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Finding the Fourth Proportional to 149,038.62, 223,557.92 and 43,857.62

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Solution

The fourth proportional to 149,038.62, 223,557.92 and 43,857.62 is: 65,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,038.62 : 223,557.92 = 43,857.62 : x
  2. Step 2: Convert to fraction form
    149,038.62/223,557.92 = 43,857.62/x
  3. Step 3: Cross multiply
    149,038.62x = 223,557.92 × 43,857.62
  4. Step 4: Simplify right side
    149,038.62x = 9,804,718,303.35
  5. Step 5: Solve for x
    x = 9,804,718,303.35/149,038.62
  6. Step 6: Final answer
    x = 65,786.43

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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.