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Finding the Fourth Proportional to 164,617.68, 246,935.70 and 46,279.80

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Solution

The fourth proportional to 164,617.68, 246,935.70 and 46,279.80 is: 69,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,617.68 : 246,935.70 = 46,279.80 : x
  2. Step 2: Convert to fraction form
    164,617.68/246,935.70 = 46,279.80/x
  3. Step 3: Cross multiply
    164,617.68x = 246,935.70 × 46,279.80
  4. Step 4: Simplify right side
    164,617.68x = 11,428,134,808.86
  5. Step 5: Solve for x
    x = 11,428,134,808.86/164,617.68
  6. Step 6: Final answer
    x = 69,422.28

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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.