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Finding the Fourth Proportional to 76,847.63, 106,050.53 and 43,313.63

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Solution

The fourth proportional to 76,847.63, 106,050.53 and 43,313.63 is: 59,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,847.63 : 106,050.53 = 43,313.63 : x
  2. Step 2: Convert to fraction form
    76,847.63/106,050.53 = 43,313.63/x
  3. Step 3: Cross multiply
    76,847.63x = 106,050.53 × 43,313.63
  4. Step 4: Simplify right side
    76,847.63x = 4,593,432,995.76
  5. Step 5: Solve for x
    x = 4,593,432,995.76/76,847.63
  6. Step 6: Final answer
    x = 59,773.26

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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.