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Finding the Fourth Proportional to 73,248, 109,806.84 and 26,490.48

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Solution

The fourth proportional to 73,248, 109,806.84 and 26,490.48 is: 39,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,248 : 109,806.84 = 26,490.48 : x
  2. Step 2: Convert to fraction form
    73,248/109,806.84 = 26,490.48/x
  3. Step 3: Cross multiply
    73,248x = 109,806.84 × 26,490.48
  4. Step 4: Simplify right side
    73,248x = 2,908,835,898.88
  5. Step 5: Solve for x
    x = 2,908,835,898.88/73,248
  6. Step 6: Final answer
    x = 39,712.15

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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.