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Finding the Fourth Proportional to 262,904.63, 362,808.38 and 149,737.91

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Solution

The fourth proportional to 262,904.63, 362,808.38 and 149,737.91 is: 206,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,904.63 : 362,808.38 = 149,737.91 : x
  2. Step 2: Convert to fraction form
    262,904.63/362,808.38 = 149,737.91/x
  3. Step 3: Cross multiply
    262,904.63x = 362,808.38 × 149,737.91
  4. Step 4: Simplify right side
    262,904.63x = 54,326,167,111.99
  5. Step 5: Solve for x
    x = 54,326,167,111.99/262,904.63
  6. Step 6: Final answer
    x = 206,638.31

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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.