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Finding the Fourth Proportional to 46,801.92, 70,228.80 and 43,276.80

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Solution

The fourth proportional to 46,801.92, 70,228.80 and 43,276.80 is: 64,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,801.92 : 70,228.80 = 43,276.80 : x
  2. Step 2: Convert to fraction form
    46,801.92/70,228.80 = 43,276.80/x
  3. Step 3: Cross multiply
    46,801.92x = 70,228.80 × 43,276.80
  4. Step 4: Simplify right side
    46,801.92x = 3,039,277,731.84
  5. Step 5: Solve for x
    x = 3,039,277,731.84/46,801.92
  6. Step 6: Final answer
    x = 64,939.17

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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.