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Finding the Fourth Proportional to 99,956.92, 149,935.32 and 26,084.92

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Solution

The fourth proportional to 99,956.92, 149,935.32 and 26,084.92 is: 39,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,956.92 : 149,935.32 = 26,084.92 : x
  2. Step 2: Convert to fraction form
    99,956.92/149,935.32 = 26,084.92/x
  3. Step 3: Cross multiply
    99,956.92x = 149,935.32 × 26,084.92
  4. Step 4: Simplify right side
    99,956.92x = 3,911,050,827.37
  5. Step 5: Solve for x
    x = 3,911,050,827.37/99,956.92
  6. Step 6: Final answer
    x = 39,127.36

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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.