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Finding the Fourth Proportional to 159,813.55, 239,749.53 and 124,063.39

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Solution

The fourth proportional to 159,813.55, 239,749.53 and 124,063.39 is: 186,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.55 : 239,749.53 = 124,063.39 : x
  2. Step 2: Convert to fraction form
    159,813.55/239,749.53 = 124,063.39/x
  3. Step 3: Cross multiply
    159,813.55x = 239,749.53 × 124,063.39
  4. Step 4: Simplify right side
    159,813.55x = 29,744,139,442.71
  5. Step 5: Solve for x
    x = 29,744,139,442.71/159,813.55
  6. Step 6: Final answer
    x = 186,117.76

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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.