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Finding the Fourth Proportional to 269,648.82, 372,114.94 and 148,790.01

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Solution

The fourth proportional to 269,648.82, 372,114.94 and 148,790.01 is: 205,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,648.82 : 372,114.94 = 148,790.01 : x
  2. Step 2: Convert to fraction form
    269,648.82/372,114.94 = 148,790.01/x
  3. Step 3: Cross multiply
    269,648.82x = 372,114.94 × 148,790.01
  4. Step 4: Simplify right side
    269,648.82x = 55,366,985,643.75
  5. Step 5: Solve for x
    x = 55,366,985,643.75/269,648.82
  6. Step 6: Final answer
    x = 205,329.98

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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.