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Finding the Fourth Proportional to 159,380.58, 239,032.58 and 47,030.44

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Solution

The fourth proportional to 159,380.58, 239,032.58 and 47,030.44 is: 70,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,380.58 : 239,032.58 = 47,030.44 : x
  2. Step 2: Convert to fraction form
    159,380.58/239,032.58 = 47,030.44/x
  3. Step 3: Cross multiply
    159,380.58x = 239,032.58 × 47,030.44
  4. Step 4: Simplify right side
    159,380.58x = 11,241,807,411.74
  5. Step 5: Solve for x
    x = 11,241,807,411.74/159,380.58
  6. Step 6: Final answer
    x = 70,534.36

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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.