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Finding the Fourth Proportional to 94,914.70, 130,976.67 and 52,470.70

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Solution

The fourth proportional to 94,914.70, 130,976.67 and 52,470.70 is: 72,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,914.70 : 130,976.67 = 52,470.70 : x
  2. Step 2: Convert to fraction form
    94,914.70/130,976.67 = 52,470.70/x
  3. Step 3: Cross multiply
    94,914.70x = 130,976.67 × 52,470.70
  4. Step 4: Simplify right side
    94,914.70x = 6,872,437,558.57
  5. Step 5: Solve for x
    x = 6,872,437,558.57/94,914.70
  6. Step 6: Final answer
    x = 72,406.46

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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.