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Finding the Fourth Proportional to 74,296.84, 111,491.54 and 46,271.92

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Solution

The fourth proportional to 74,296.84, 111,491.54 and 46,271.92 is: 69,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,296.84 : 111,491.54 = 46,271.92 : x
  2. Step 2: Convert to fraction form
    74,296.84/111,491.54 = 46,271.92/x
  3. Step 3: Cross multiply
    74,296.84x = 111,491.54 × 46,271.92
  4. Step 4: Simplify right side
    74,296.84x = 5,158,927,619.56
  5. Step 5: Solve for x
    x = 5,158,927,619.56/74,296.84
  6. Step 6: Final answer
    x = 69,436.70

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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.