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Finding the Fourth Proportional to 159,997.76, 220,677.19 and 111,602.18

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Solution

The fourth proportional to 159,997.76, 220,677.19 and 111,602.18 is: 153,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,997.76 : 220,677.19 = 111,602.18 : x
  2. Step 2: Convert to fraction form
    159,997.76/220,677.19 = 111,602.18/x
  3. Step 3: Cross multiply
    159,997.76x = 220,677.19 × 111,602.18
  4. Step 4: Simplify right side
    159,997.76x = 24,628,054,097.88
  5. Step 5: Solve for x
    x = 24,628,054,097.88/159,997.76
  6. Step 6: Final answer
    x = 153,927.50

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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.