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Finding the Fourth Proportional to 85,091, 127,413.54 and 59,995.22

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Solution

The fourth proportional to 85,091, 127,413.54 and 59,995.22 is: 89,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091 : 127,413.54 = 59,995.22 : x
  2. Step 2: Convert to fraction form
    85,091/127,413.54 = 59,995.22/x
  3. Step 3: Cross multiply
    85,091x = 127,413.54 × 59,995.22
  4. Step 4: Simplify right side
    85,091x = 7,644,203,363.28
  5. Step 5: Solve for x
    x = 7,644,203,363.28/85,091
  6. Step 6: Final answer
    x = 89,835.63

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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.