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Finding the Fourth Proportional to 72,834.96, 100,494.36 and 44,530.32

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Solution

The fourth proportional to 72,834.96, 100,494.36 and 44,530.32 is: 61,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834.96 : 100,494.36 = 44,530.32 : x
  2. Step 2: Convert to fraction form
    72,834.96/100,494.36 = 44,530.32/x
  3. Step 3: Cross multiply
    72,834.96x = 100,494.36 × 44,530.32
  4. Step 4: Simplify right side
    72,834.96x = 4,475,046,009.00
  5. Step 5: Solve for x
    x = 4,475,046,009.00/72,834.96
  6. Step 6: Final answer
    x = 61,440.91

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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.