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Finding the Fourth Proportional to 73,675.92, 101,709.12 and 51,032.16

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Solution

The fourth proportional to 73,675.92, 101,709.12 and 51,032.16 is: 70,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,675.92 : 101,709.12 = 51,032.16 : x
  2. Step 2: Convert to fraction form
    73,675.92/101,709.12 = 51,032.16/x
  3. Step 3: Cross multiply
    73,675.92x = 101,709.12 × 51,032.16
  4. Step 4: Simplify right side
    73,675.92x = 5,190,436,085.30
  5. Step 5: Solve for x
    x = 5,190,436,085.30/73,675.92
  6. Step 6: Final answer
    x = 70,449.56

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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.