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Finding the Fourth Proportional to 74,796.39, 103,655.70 and 73,377.07

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Solution

The fourth proportional to 74,796.39, 103,655.70 and 73,377.07 is: 101,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,796.39 : 103,655.70 = 73,377.07 : x
  2. Step 2: Convert to fraction form
    74,796.39/103,655.70 = 73,377.07/x
  3. Step 3: Cross multiply
    74,796.39x = 103,655.70 × 73,377.07
  4. Step 4: Simplify right side
    74,796.39x = 7,605,951,554.80
  5. Step 5: Solve for x
    x = 7,605,951,554.80/74,796.39
  6. Step 6: Final answer
    x = 101,688.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.