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Finding the Fourth Proportional to 98,533.50, 135,976.37 and 56,092.03

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Solution

The fourth proportional to 98,533.50, 135,976.37 and 56,092.03 is: 77,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,533.50 : 135,976.37 = 56,092.03 : x
  2. Step 2: Convert to fraction form
    98,533.50/135,976.37 = 56,092.03/x
  3. Step 3: Cross multiply
    98,533.50x = 135,976.37 × 56,092.03
  4. Step 4: Simplify right side
    98,533.50x = 7,627,190,625.33
  5. Step 5: Solve for x
    x = 7,627,190,625.33/98,533.50
  6. Step 6: Final answer
    x = 77,407.08

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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.