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Finding the Fourth Proportional to 194,670.60, 292,005.90 and 52,515.60

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Solution

The fourth proportional to 194,670.60, 292,005.90 and 52,515.60 is: 78,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,670.60 : 292,005.90 = 52,515.60 : x
  2. Step 2: Convert to fraction form
    194,670.60/292,005.90 = 52,515.60/x
  3. Step 3: Cross multiply
    194,670.60x = 292,005.90 × 52,515.60
  4. Step 4: Simplify right side
    194,670.60x = 15,334,865,042.04
  5. Step 5: Solve for x
    x = 15,334,865,042.04/194,670.60
  6. Step 6: Final answer
    x = 78,773.40

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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.