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Finding the Fourth Proportional to 159,374.34, 237,895.44 and 140,457.90

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Solution

The fourth proportional to 159,374.34, 237,895.44 and 140,457.90 is: 209,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,374.34 : 237,895.44 = 140,457.90 : x
  2. Step 2: Convert to fraction form
    159,374.34/237,895.44 = 140,457.90/x
  3. Step 3: Cross multiply
    159,374.34x = 237,895.44 × 140,457.90
  4. Step 4: Simplify right side
    159,374.34x = 33,414,293,921.98
  5. Step 5: Solve for x
    x = 33,414,293,921.98/159,374.34
  6. Step 6: Final answer
    x = 209,659.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.