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Finding the Fourth Proportional to 72,604, 100,210.92 and 44,333.68

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Solution

The fourth proportional to 72,604, 100,210.92 and 44,333.68 is: 61,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,604 : 100,210.92 = 44,333.68 : x
  2. Step 2: Convert to fraction form
    72,604/100,210.92 = 44,333.68/x
  3. Step 3: Cross multiply
    72,604x = 100,210.92 × 44,333.68
  4. Step 4: Simplify right side
    72,604x = 4,442,718,859.79
  5. Step 5: Solve for x
    x = 4,442,718,859.79/72,604
  6. Step 6: Final answer
    x = 61,191.10

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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.