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Finding the Fourth Proportional to 100,637.64, 150,725.00 and 58,413.15

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Solution

The fourth proportional to 100,637.64, 150,725.00 and 58,413.15 is: 87,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,637.64 : 150,725.00 = 58,413.15 : x
  2. Step 2: Convert to fraction form
    100,637.64/150,725.00 = 58,413.15/x
  3. Step 3: Cross multiply
    100,637.64x = 150,725.00 × 58,413.15
  4. Step 4: Simplify right side
    100,637.64x = 8,804,322,179.78
  5. Step 5: Solve for x
    x = 8,804,322,179.78/100,637.64
  6. Step 6: Final answer
    x = 87,485.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.