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Finding the Fourth Proportional to 148,821, 223,041.66 and 69,761.04

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Solution

The fourth proportional to 148,821, 223,041.66 and 69,761.04 is: 104,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,821 : 223,041.66 = 69,761.04 : x
  2. Step 2: Convert to fraction form
    148,821/223,041.66 = 69,761.04/x
  3. Step 3: Cross multiply
    148,821x = 223,041.66 × 69,761.04
  4. Step 4: Simplify right side
    148,821x = 15,559,618,164.93
  5. Step 5: Solve for x
    x = 15,559,618,164.93/148,821
  6. Step 6: Final answer
    x = 104,552.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.