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Finding the Fourth Proportional to 72,360.76, 99,837.78 and 44,046.28

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Solution

The fourth proportional to 72,360.76, 99,837.78 and 44,046.28 is: 60,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,360.76 : 99,837.78 = 44,046.28 : x
  2. Step 2: Convert to fraction form
    72,360.76/99,837.78 = 44,046.28/x
  3. Step 3: Cross multiply
    72,360.76x = 99,837.78 × 44,046.28
  4. Step 4: Simplify right side
    72,360.76x = 4,397,482,812.46
  5. Step 5: Solve for x
    x = 4,397,482,812.46/72,360.76
  6. Step 6: Final answer
    x = 60,771.65

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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.