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Finding the Fourth Proportional to 73,125.45, 100,960.02 and 59,728.86

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Solution

The fourth proportional to 73,125.45, 100,960.02 and 59,728.86 is: 82,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125.45 : 100,960.02 = 59,728.86 : x
  2. Step 2: Convert to fraction form
    73,125.45/100,960.02 = 59,728.86/x
  3. Step 3: Cross multiply
    73,125.45x = 100,960.02 × 59,728.86
  4. Step 4: Simplify right side
    73,125.45x = 6,030,226,900.18
  5. Step 5: Solve for x
    x = 6,030,226,900.18/73,125.45
  6. Step 6: Final answer
    x = 82,464.13

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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.