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Finding the Fourth Proportional to 159,599.92, 219,970.46 and 116,508.51

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Solution

The fourth proportional to 159,599.92, 219,970.46 and 116,508.51 is: 160,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,599.92 : 219,970.46 = 116,508.51 : x
  2. Step 2: Convert to fraction form
    159,599.92/219,970.46 = 116,508.51/x
  3. Step 3: Cross multiply
    159,599.92x = 219,970.46 × 116,508.51
  4. Step 4: Simplify right side
    159,599.92x = 25,628,430,538.61
  5. Step 5: Solve for x
    x = 25,628,430,538.61/159,599.92
  6. Step 6: Final answer
    x = 160,579.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.