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Finding the Fourth Proportional to 342,028.92, 513,043.38 and 92,710.92

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Solution

The fourth proportional to 342,028.92, 513,043.38 and 92,710.92 is: 139,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,028.92 : 513,043.38 = 92,710.92 : x
  2. Step 2: Convert to fraction form
    342,028.92/513,043.38 = 92,710.92/x
  3. Step 3: Cross multiply
    342,028.92x = 513,043.38 × 92,710.92
  4. Step 4: Simplify right side
    342,028.92x = 47,564,723,759.71
  5. Step 5: Solve for x
    x = 47,564,723,759.71/342,028.92
  6. Step 6: Final answer
    x = 139,066.38

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Similar ratio
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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.