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Finding the Fourth Proportional to 185,991.86, 256,661.63 and 101,108.93

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Solution

The fourth proportional to 185,991.86, 256,661.63 and 101,108.93 is: 139,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,991.86 : 256,661.63 = 101,108.93 : x
  2. Step 2: Convert to fraction form
    185,991.86/256,661.63 = 101,108.93/x
  3. Step 3: Cross multiply
    185,991.86x = 256,661.63 × 101,108.93
  4. Step 4: Simplify right side
    185,991.86x = 25,950,781,371.66
  5. Step 5: Solve for x
    x = 25,950,781,371.66/185,991.86
  6. Step 6: Final answer
    x = 139,526.43

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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.