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Finding the Fourth Proportional to 73,832.15, 101,888.34 and 40,298.15

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Solution

The fourth proportional to 73,832.15, 101,888.34 and 40,298.15 is: 55,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,832.15 : 101,888.34 = 40,298.15 : x
  2. Step 2: Convert to fraction form
    73,832.15/101,888.34 = 40,298.15/x
  3. Step 3: Cross multiply
    73,832.15x = 101,888.34 × 40,298.15
  4. Step 4: Simplify right side
    73,832.15x = 4,105,911,608.57
  5. Step 5: Solve for x
    x = 4,105,911,608.57/73,832.15
  6. Step 6: Final answer
    x = 55,611.43

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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.