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Finding the Fourth Proportional to 105,797.04, 145,996.92 and 57,396.84

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Solution

The fourth proportional to 105,797.04, 145,996.92 and 57,396.84 is: 79,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,797.04 : 145,996.92 = 57,396.84 : x
  2. Step 2: Convert to fraction form
    105,797.04/145,996.92 = 57,396.84/x
  3. Step 3: Cross multiply
    105,797.04x = 145,996.92 × 57,396.84
  4. Step 4: Simplify right side
    105,797.04x = 8,379,761,857.73
  5. Step 5: Solve for x
    x = 8,379,761,857.73/105,797.04
  6. Step 6: Final answer
    x = 79,206.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.