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Finding the Fourth Proportional to 70,467.47, 105,699.13 and 26,093.24

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Solution

The fourth proportional to 70,467.47, 105,699.13 and 26,093.24 is: 39,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,467.47 : 105,699.13 = 26,093.24 : x
  2. Step 2: Convert to fraction form
    70,467.47/105,699.13 = 26,093.24/x
  3. Step 3: Cross multiply
    70,467.47x = 105,699.13 × 26,093.24
  4. Step 4: Simplify right side
    70,467.47x = 2,758,032,569.52
  5. Step 5: Solve for x
    x = 2,758,032,569.52/70,467.47
  6. Step 6: Final answer
    x = 39,139.09

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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.