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Finding the Fourth Proportional to 194,909.60, 292,364.40 and 95,133.80

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Solution

The fourth proportional to 194,909.60, 292,364.40 and 95,133.80 is: 142,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,909.60 : 292,364.40 = 95,133.80 : x
  2. Step 2: Convert to fraction form
    194,909.60/292,364.40 = 95,133.80/x
  3. Step 3: Cross multiply
    194,909.60x = 292,364.40 × 95,133.80
  4. Step 4: Simplify right side
    194,909.60x = 27,813,736,356.72
  5. Step 5: Solve for x
    x = 27,813,736,356.72/194,909.60
  6. Step 6: Final answer
    x = 142,700.70

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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.