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Finding the Fourth Proportional to 76,241.46, 105,210.39 and 43,977.41

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Solution

The fourth proportional to 76,241.46, 105,210.39 and 43,977.41 is: 60,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,241.46 : 105,210.39 = 43,977.41 : x
  2. Step 2: Convert to fraction form
    76,241.46/105,210.39 = 43,977.41/x
  3. Step 3: Cross multiply
    76,241.46x = 105,210.39 × 43,977.41
  4. Step 4: Simplify right side
    76,241.46x = 4,626,881,082.50
  5. Step 5: Solve for x
    x = 4,626,881,082.50/76,241.46
  6. Step 6: Final answer
    x = 60,687.20

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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.