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Finding the Fourth Proportional to 120,908.66, 181,362.74 and 32,162.28

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Solution

The fourth proportional to 120,908.66, 181,362.74 and 32,162.28 is: 48,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,908.66 : 181,362.74 = 32,162.28 : x
  2. Step 2: Convert to fraction form
    120,908.66/181,362.74 = 32,162.28/x
  3. Step 3: Cross multiply
    120,908.66x = 181,362.74 × 32,162.28
  4. Step 4: Simplify right side
    120,908.66x = 5,833,039,225.45
  5. Step 5: Solve for x
    x = 5,833,039,225.45/120,908.66
  6. Step 6: Final answer
    x = 48,243.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.