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Finding the Fourth Proportional to 101,224.98, 139,600.08 and 65,377.26

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Solution

The fourth proportional to 101,224.98, 139,600.08 and 65,377.26 is: 90,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,224.98 : 139,600.08 = 65,377.26 : x
  2. Step 2: Convert to fraction form
    101,224.98/139,600.08 = 65,377.26/x
  3. Step 3: Cross multiply
    101,224.98x = 139,600.08 × 65,377.26
  4. Step 4: Simplify right side
    101,224.98x = 9,126,670,726.18
  5. Step 5: Solve for x
    x = 9,126,670,726.18/101,224.98
  6. Step 6: Final answer
    x = 90,162.24

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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.