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Finding the Fourth Proportional to 262,042.08, 361,619.28 and 148,871.04

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Solution

The fourth proportional to 262,042.08, 361,619.28 and 148,871.04 is: 205,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,042.08 : 361,619.28 = 148,871.04 : x
  2. Step 2: Convert to fraction form
    262,042.08/361,619.28 = 148,871.04/x
  3. Step 3: Cross multiply
    262,042.08x = 361,619.28 × 148,871.04
  4. Step 4: Simplify right side
    262,042.08x = 53,834,638,297.65
  5. Step 5: Solve for x
    x = 53,834,638,297.65/262,042.08
  6. Step 6: Final answer
    x = 205,442.72

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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.