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Finding the Fourth Proportional to 73,975.53, 102,073.10 and 43,762.12

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Solution

The fourth proportional to 73,975.53, 102,073.10 and 43,762.12 is: 60,383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.53 : 102,073.10 = 43,762.12 : x
  2. Step 2: Convert to fraction form
    73,975.53/102,073.10 = 43,762.12/x
  3. Step 3: Cross multiply
    73,975.53x = 102,073.10 × 43,762.12
  4. Step 4: Simplify right side
    73,975.53x = 4,466,935,360.38
  5. Step 5: Solve for x
    x = 4,466,935,360.38/73,975.53
  6. Step 6: Final answer
    x = 60,383.96

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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.