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Finding the Fourth Proportional to 240,810.54, 361,287.09 and 83,054.94

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Solution

The fourth proportional to 240,810.54, 361,287.09 and 83,054.94 is: 124,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,810.54 : 361,287.09 = 83,054.94 : x
  2. Step 2: Convert to fraction form
    240,810.54/361,287.09 = 83,054.94/x
  3. Step 3: Cross multiply
    240,810.54x = 361,287.09 × 83,054.94
  4. Step 4: Simplify right side
    240,810.54x = 30,006,677,582.72
  5. Step 5: Solve for x
    x = 30,006,677,582.72/240,810.54
  6. Step 6: Final answer
    x = 124,606.99

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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.