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Finding the Fourth Proportional to 77,334.74, 106,718.37 and 43,800.98

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Solution

The fourth proportional to 77,334.74, 106,718.37 and 43,800.98 is: 60,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.74 : 106,718.37 = 43,800.98 : x
  2. Step 2: Convert to fraction form
    77,334.74/106,718.37 = 43,800.98/x
  3. Step 3: Cross multiply
    77,334.74x = 106,718.37 × 43,800.98
  4. Step 4: Simplify right side
    77,334.74x = 4,674,369,190.00
  5. Step 5: Solve for x
    x = 4,674,369,190.00/77,334.74
  6. Step 6: Final answer
    x = 60,443.33

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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.