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Finding the Fourth Proportional to 302,092.76, 453,155.88 and 99,680.84

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Solution

The fourth proportional to 302,092.76, 453,155.88 and 99,680.84 is: 149,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,092.76 : 453,155.88 = 99,680.84 : x
  2. Step 2: Convert to fraction form
    302,092.76/453,155.88 = 99,680.84/x
  3. Step 3: Cross multiply
    302,092.76x = 453,155.88 × 99,680.84
  4. Step 4: Simplify right side
    302,092.76x = 45,170,958,769.34
  5. Step 5: Solve for x
    x = 45,170,958,769.34/302,092.76
  6. Step 6: Final answer
    x = 149,526.78

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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.