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Finding the Fourth Proportional to 269,603.80, 372,054.54 and 148,745.08

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Solution

The fourth proportional to 269,603.80, 372,054.54 and 148,745.08 is: 205,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,603.80 : 372,054.54 = 148,745.08 : x
  2. Step 2: Convert to fraction form
    269,603.80/372,054.54 = 148,745.08/x
  3. Step 3: Cross multiply
    269,603.80x = 372,054.54 × 148,745.08
  4. Step 4: Simplify right side
    269,603.80x = 55,341,282,316.66
  5. Step 5: Solve for x
    x = 55,341,282,316.66/269,603.80
  6. Step 6: Final answer
    x = 205,268.93

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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.