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Finding the Fourth Proportional to 218,027.61, 300,960.30 and 127,413.02

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Solution

The fourth proportional to 218,027.61, 300,960.30 and 127,413.02 is: 175,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,027.61 : 300,960.30 = 127,413.02 : x
  2. Step 2: Convert to fraction form
    218,027.61/300,960.30 = 127,413.02/x
  3. Step 3: Cross multiply
    218,027.61x = 300,960.30 × 127,413.02
  4. Step 4: Simplify right side
    218,027.61x = 38,346,259,218.30
  5. Step 5: Solve for x
    x = 38,346,259,218.30/218,027.61
  6. Step 6: Final answer
    x = 175,878.00

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1.5x scale

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.