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Finding the Fourth Proportional to 118,808.73, 163,956.03 and 65,095.77

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Solution

The fourth proportional to 118,808.73, 163,956.03 and 65,095.77 is: 89,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,808.73 : 163,956.03 = 65,095.77 : x
  2. Step 2: Convert to fraction form
    118,808.73/163,956.03 = 65,095.77/x
  3. Step 3: Cross multiply
    118,808.73x = 163,956.03 × 65,095.77
  4. Step 4: Simplify right side
    118,808.73x = 10,672,844,018.99
  5. Step 5: Solve for x
    x = 10,672,844,018.99/118,808.73
  6. Step 6: Final answer
    x = 89,832.15

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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.