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Finding the Fourth Proportional to 241,476, 333,219.12 and 139,505.76

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Solution

The fourth proportional to 241,476, 333,219.12 and 139,505.76 is: 192,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,476 : 333,219.12 = 139,505.76 : x
  2. Step 2: Convert to fraction form
    241,476/333,219.12 = 139,505.76/x
  3. Step 3: Cross multiply
    241,476x = 333,219.12 × 139,505.76
  4. Step 4: Simplify right side
    241,476x = 46,485,986,582.13
  5. Step 5: Solve for x
    x = 46,485,986,582.13/241,476
  6. Step 6: Final answer
    x = 192,507.69

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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.