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Finding the Fourth Proportional to 159,813.54, 239,746.32 and 59,981.58

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Solution

The fourth proportional to 159,813.54, 239,746.32 and 59,981.58 is: 89,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.54 : 239,746.32 = 59,981.58 : x
  2. Step 2: Convert to fraction form
    159,813.54/239,746.32 = 59,981.58/x
  3. Step 3: Cross multiply
    159,813.54x = 239,746.32 × 59,981.58
  4. Step 4: Simplify right side
    159,813.54x = 14,380,363,072.79
  5. Step 5: Solve for x
    x = 14,380,363,072.79/159,813.54
  6. Step 6: Final answer
    x = 89,982.13

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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.