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Finding the Fourth Proportional to 240,760.66, 361,055.81 and 69,946.84

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Solution

The fourth proportional to 240,760.66, 361,055.81 and 69,946.84 is: 104,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,760.66 : 361,055.81 = 69,946.84 : x
  2. Step 2: Convert to fraction form
    240,760.66/361,055.81 = 69,946.84/x
  3. Step 3: Cross multiply
    240,760.66x = 361,055.81 × 69,946.84
  4. Step 4: Simplify right side
    240,760.66x = 25,254,712,973.14
  5. Step 5: Solve for x
    x = 25,254,712,973.14/240,760.66
  6. Step 6: Final answer
    x = 104,895.51

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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.