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Finding the Fourth Proportional to 239,236.38, 358,842.65 and 89,465.66

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Solution

The fourth proportional to 239,236.38, 358,842.65 and 89,465.66 is: 134,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,236.38 : 358,842.65 = 89,465.66 : x
  2. Step 2: Convert to fraction form
    239,236.38/358,842.65 = 89,465.66/x
  3. Step 3: Cross multiply
    239,236.38x = 358,842.65 × 89,465.66
  4. Step 4: Simplify right side
    239,236.38x = 32,104,094,518.40
  5. Step 5: Solve for x
    x = 32,104,094,518.40/239,236.38
  6. Step 6: Final answer
    x = 134,194.03

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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.