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Finding the Fourth Proportional to 94,105.94, 129,809.07 and 55,840.25

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Solution

The fourth proportional to 94,105.94, 129,809.07 and 55,840.25 is: 77,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,105.94 : 129,809.07 = 55,840.25 : x
  2. Step 2: Convert to fraction form
    94,105.94/129,809.07 = 55,840.25/x
  3. Step 3: Cross multiply
    94,105.94x = 129,809.07 × 55,840.25
  4. Step 4: Simplify right side
    94,105.94x = 7,248,571,245.59
  5. Step 5: Solve for x
    x = 7,248,571,245.59/94,105.94
  6. Step 6: Final answer
    x = 77,025.65

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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.