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Finding the Fourth Proportional to 191,926.80, 268,347.60 and 191,926.80

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Solution

The fourth proportional to 191,926.80, 268,347.60 and 191,926.80 is: 268,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.80 : 268,347.60 = 191,926.80 : x
  2. Step 2: Convert to fraction form
    191,926.80/268,347.60 = 191,926.80/x
  3. Step 3: Cross multiply
    191,926.80x = 268,347.60 × 191,926.80
  4. Step 4: Simplify right side
    191,926.80x = 51,503,096,155.68
  5. Step 5: Solve for x
    x = 51,503,096,155.68/191,926.80
  6. Step 6: Final answer
    x = 268,347.60

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1.5x scale

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.