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Finding the Fourth Proportional to 262,908.41, 394,429.14 and 73,368.76

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Solution

The fourth proportional to 262,908.41, 394,429.14 and 73,368.76 is: 110,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,908.41 : 394,429.14 = 73,368.76 : x
  2. Step 2: Convert to fraction form
    262,908.41/394,429.14 = 73,368.76/x
  3. Step 3: Cross multiply
    262,908.41x = 394,429.14 × 73,368.76
  4. Step 4: Simplify right side
    262,908.41x = 28,938,774,937.52
  5. Step 5: Solve for x
    x = 28,938,774,937.52/262,908.41
  6. Step 6: Final answer
    x = 110,071.70

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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.