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Finding the Fourth Proportional to 118,188.78, 177,294.17 and 47,094.27

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Solution

The fourth proportional to 118,188.78, 177,294.17 and 47,094.27 is: 70,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,188.78 : 177,294.17 = 47,094.27 : x
  2. Step 2: Convert to fraction form
    118,188.78/177,294.17 = 47,094.27/x
  3. Step 3: Cross multiply
    118,188.78x = 177,294.17 × 47,094.27
  4. Step 4: Simplify right side
    118,188.78x = 8,349,539,511.41
  5. Step 5: Solve for x
    x = 8,349,539,511.41/118,188.78
  6. Step 6: Final answer
    x = 70,645.79

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1.5x scale

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.