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Finding the Fourth Proportional to 227,812.77, 341,782.52 and 99,706.21

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Solution

The fourth proportional to 227,812.77, 341,782.52 and 99,706.21 is: 149,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,812.77 : 341,782.52 = 99,706.21 : x
  2. Step 2: Convert to fraction form
    227,812.77/341,782.52 = 99,706.21/x
  3. Step 3: Cross multiply
    227,812.77x = 341,782.52 × 99,706.21
  4. Step 4: Simplify right side
    227,812.77x = 34,077,838,921.31
  5. Step 5: Solve for x
    x = 34,077,838,921.31/227,812.77
  6. Step 6: Final answer
    x = 149,587.04

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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.