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Finding the Fourth Proportional to 235,225.91, 352,727.69 and 91,199.13

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Solution

The fourth proportional to 235,225.91, 352,727.69 and 91,199.13 is: 136,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,225.91 : 352,727.69 = 91,199.13 : x
  2. Step 2: Convert to fraction form
    235,225.91/352,727.69 = 91,199.13/x
  3. Step 3: Cross multiply
    235,225.91x = 352,727.69 × 91,199.13
  4. Step 4: Simplify right side
    235,225.91x = 32,168,457,998.91
  5. Step 5: Solve for x
    x = 32,168,457,998.91/235,225.91
  6. Step 6: Final answer
    x = 136,755.59

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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.