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Finding the Fourth Proportional to 194,928.60, 292,392.90 and 95,152.80

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Solution

The fourth proportional to 194,928.60, 292,392.90 and 95,152.80 is: 142,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,928.60 : 292,392.90 = 95,152.80 : x
  2. Step 2: Convert to fraction form
    194,928.60/292,392.90 = 95,152.80/x
  3. Step 3: Cross multiply
    194,928.60x = 292,392.90 × 95,152.80
  4. Step 4: Simplify right side
    194,928.60x = 27,822,003,135.12
  5. Step 5: Solve for x
    x = 27,822,003,135.12/194,928.60
  6. Step 6: Final answer
    x = 142,729.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.