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Finding the Fourth Proportional to 191,946.80, 268,375.60 and 191,946.80

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Solution

The fourth proportional to 191,946.80, 268,375.60 and 191,946.80 is: 268,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,946.80 : 268,375.60 = 191,946.80 : x
  2. Step 2: Convert to fraction form
    191,946.80/268,375.60 = 191,946.80/x
  3. Step 3: Cross multiply
    191,946.80x = 268,375.60 × 191,946.80
  4. Step 4: Simplify right side
    191,946.80x = 51,513,837,618.08
  5. Step 5: Solve for x
    x = 51,513,837,618.08/191,946.80
  6. Step 6: Final answer
    x = 268,375.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.