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Finding the Fourth Proportional to 94,859.75, 130,928.28 and 54,596.77

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Solution

The fourth proportional to 94,859.75, 130,928.28 and 54,596.77 is: 75,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,859.75 : 130,928.28 = 54,596.77 : x
  2. Step 2: Convert to fraction form
    94,859.75/130,928.28 = 54,596.77/x
  3. Step 3: Cross multiply
    94,859.75x = 130,928.28 × 54,596.77
  4. Step 4: Simplify right side
    94,859.75x = 7,148,261,189.66
  5. Step 5: Solve for x
    x = 7,148,261,189.66/94,859.75
  6. Step 6: Final answer
    x = 75,356.10

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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.