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Finding the Fourth Proportional to 178,357.68, 246,136.32 and 97,789.68

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Solution

The fourth proportional to 178,357.68, 246,136.32 and 97,789.68 is: 134,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,357.68 : 246,136.32 = 97,789.68 : x
  2. Step 2: Convert to fraction form
    178,357.68/246,136.32 = 97,789.68/x
  3. Step 3: Cross multiply
    178,357.68x = 246,136.32 × 97,789.68
  4. Step 4: Simplify right side
    178,357.68x = 24,069,591,969.18
  5. Step 5: Solve for x
    x = 24,069,591,969.18/178,357.68
  6. Step 6: Final answer
    x = 134,951.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.