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Finding the Fourth Proportional to 73,293.50, 101,145.58 and 39,759.50

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Solution

The fourth proportional to 73,293.50, 101,145.58 and 39,759.50 is: 54,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,293.50 : 101,145.58 = 39,759.50 : x
  2. Step 2: Convert to fraction form
    73,293.50/101,145.58 = 39,759.50/x
  3. Step 3: Cross multiply
    73,293.50x = 101,145.58 × 39,759.50
  4. Step 4: Simplify right side
    73,293.50x = 4,021,497,688.01
  5. Step 5: Solve for x
    x = 4,021,497,688.01/73,293.50
  6. Step 6: Final answer
    x = 54,868.41

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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.