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Finding the Fourth Proportional to 94,367.60, 130,212.42 and 54,073.62

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Solution

The fourth proportional to 94,367.60, 130,212.42 and 54,073.62 is: 74,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,367.60 : 130,212.42 = 54,073.62 : x
  2. Step 2: Convert to fraction form
    94,367.60/130,212.42 = 54,073.62/x
  3. Step 3: Cross multiply
    94,367.60x = 130,212.42 × 54,073.62
  4. Step 4: Simplify right side
    94,367.60x = 7,041,056,918.36
  5. Step 5: Solve for x
    x = 7,041,056,918.36/94,367.60
  6. Step 6: Final answer
    x = 74,613.08

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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.