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Finding the Fourth Proportional to 169,699.86, 234,194.90 and 101,727.90

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Solution

The fourth proportional to 169,699.86, 234,194.90 and 101,727.90 is: 140,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,699.86 : 234,194.90 = 101,727.90 : x
  2. Step 2: Convert to fraction form
    169,699.86/234,194.90 = 101,727.90/x
  3. Step 3: Cross multiply
    169,699.86x = 234,194.90 × 101,727.90
  4. Step 4: Simplify right side
    169,699.86x = 23,824,154,859.07
  5. Step 5: Solve for x
    x = 23,824,154,859.07/169,699.86
  6. Step 6: Final answer
    x = 140,389.95

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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.