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Finding the Fourth Proportional to 236,413.56, 354,620.40 and 70,201.56

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Solution

The fourth proportional to 236,413.56, 354,620.40 and 70,201.56 is: 105,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,413.56 : 354,620.40 = 70,201.56 : x
  2. Step 2: Convert to fraction form
    236,413.56/354,620.40 = 70,201.56/x
  3. Step 3: Cross multiply
    236,413.56x = 354,620.40 × 70,201.56
  4. Step 4: Simplify right side
    236,413.56x = 24,894,905,287.82
  5. Step 5: Solve for x
    x = 24,894,905,287.82/236,413.56
  6. Step 6: Final answer
    x = 105,302.36

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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.