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Finding the Fourth Proportional to 94,693.56, 142,059.78 and 28,127.76

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Solution

The fourth proportional to 94,693.56, 142,059.78 and 28,127.76 is: 42,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,693.56 : 142,059.78 = 28,127.76 : x
  2. Step 2: Convert to fraction form
    94,693.56/142,059.78 = 28,127.76/x
  3. Step 3: Cross multiply
    94,693.56x = 142,059.78 × 28,127.76
  4. Step 4: Simplify right side
    94,693.56x = 3,995,823,397.49
  5. Step 5: Solve for x
    x = 3,995,823,397.49/94,693.56
  6. Step 6: Final answer
    x = 42,197.41

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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.