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Finding the Fourth Proportional to 194,872.40, 292,308.60 and 63,544.40

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Solution

The fourth proportional to 194,872.40, 292,308.60 and 63,544.40 is: 95,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,872.40 : 292,308.60 = 63,544.40 : x
  2. Step 2: Convert to fraction form
    194,872.40/292,308.60 = 63,544.40/x
  3. Step 3: Cross multiply
    194,872.40x = 292,308.60 × 63,544.40
  4. Step 4: Simplify right side
    194,872.40x = 18,574,574,601.84
  5. Step 5: Solve for x
    x = 18,574,574,601.84/194,872.40
  6. Step 6: Final answer
    x = 95,316.60

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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.