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Finding the Fourth Proportional to 72,630, 100,234.87 and 44,341.16

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Solution

The fourth proportional to 72,630, 100,234.87 and 44,341.16 is: 61,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,630 : 100,234.87 = 44,341.16 : x
  2. Step 2: Convert to fraction form
    72,630/100,234.87 = 44,341.16/x
  3. Step 3: Cross multiply
    72,630x = 100,234.87 × 44,341.16
  4. Step 4: Simplify right side
    72,630x = 4,444,529,796.22
  5. Step 5: Solve for x
    x = 4,444,529,796.22/72,630
  6. Step 6: Final answer
    x = 61,194.13

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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.