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Finding the Fourth Proportional to 77,773.50, 107,327.43 and 44,239.50

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Solution

The fourth proportional to 77,773.50, 107,327.43 and 44,239.50 is: 61,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,773.50 : 107,327.43 = 44,239.50 : x
  2. Step 2: Convert to fraction form
    77,773.50/107,327.43 = 44,239.50/x
  3. Step 3: Cross multiply
    77,773.50x = 107,327.43 × 44,239.50
  4. Step 4: Simplify right side
    77,773.50x = 4,748,111,839.49
  5. Step 5: Solve for x
    x = 4,748,111,839.49/77,773.50
  6. Step 6: Final answer
    x = 61,050.51

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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.