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Finding the Fourth Proportional to 251,558.03, 377,339.29 and 71,643.29

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Solution

The fourth proportional to 251,558.03, 377,339.29 and 71,643.29 is: 107,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,558.03 : 377,339.29 = 71,643.29 : x
  2. Step 2: Convert to fraction form
    251,558.03/377,339.29 = 71,643.29/x
  3. Step 3: Cross multiply
    251,558.03x = 377,339.29 × 71,643.29
  4. Step 4: Simplify right side
    251,558.03x = 27,033,828,238.59
  5. Step 5: Solve for x
    x = 27,033,828,238.59/251,558.03
  6. Step 6: Final answer
    x = 107,465.58

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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.