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Finding the Fourth Proportional to 73,798.68, 101,850.03 and 45,135.12

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Solution

The fourth proportional to 73,798.68, 101,850.03 and 45,135.12 is: 62,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,798.68 : 101,850.03 = 45,135.12 : x
  2. Step 2: Convert to fraction form
    73,798.68/101,850.03 = 45,135.12/x
  3. Step 3: Cross multiply
    73,798.68x = 101,850.03 × 45,135.12
  4. Step 4: Simplify right side
    73,798.68x = 4,597,013,326.05
  5. Step 5: Solve for x
    x = 4,597,013,326.05/73,798.68
  6. Step 6: Final answer
    x = 62,291.27

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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.