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Finding the Fourth Proportional to 193,503.45, 267,025.73 and 107,468.01

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Solution

The fourth proportional to 193,503.45, 267,025.73 and 107,468.01 is: 148,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,503.45 : 267,025.73 = 107,468.01 : x
  2. Step 2: Convert to fraction form
    193,503.45/267,025.73 = 107,468.01/x
  3. Step 3: Cross multiply
    193,503.45x = 267,025.73 × 107,468.01
  4. Step 4: Simplify right side
    193,503.45x = 28,696,721,949.43
  5. Step 5: Solve for x
    x = 28,696,721,949.43/193,503.45
  6. Step 6: Final answer
    x = 148,300.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.