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Finding the Fourth Proportional to 262,068.64, 361,664.40 and 148,910.56

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Solution

The fourth proportional to 262,068.64, 361,664.40 and 148,910.56 is: 205,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,068.64 : 361,664.40 = 148,910.56 : x
  2. Step 2: Convert to fraction form
    262,068.64/361,664.40 = 148,910.56/x
  3. Step 3: Cross multiply
    262,068.64x = 361,664.40 × 148,910.56
  4. Step 4: Simplify right side
    262,068.64x = 53,855,648,336.06
  5. Step 5: Solve for x
    x = 53,855,648,336.06/262,068.64
  6. Step 6: Final answer
    x = 205,502.07

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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.