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Finding the Fourth Proportional to 269,185.35, 403,832.70 and 91,710.30

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Solution

The fourth proportional to 269,185.35, 403,832.70 and 91,710.30 is: 137,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,185.35 : 403,832.70 = 91,710.30 : x
  2. Step 2: Convert to fraction form
    269,185.35/403,832.70 = 91,710.30/x
  3. Step 3: Cross multiply
    269,185.35x = 403,832.70 × 91,710.30
  4. Step 4: Simplify right side
    269,185.35x = 37,035,618,066.81
  5. Step 5: Solve for x
    x = 37,035,618,066.81/269,185.35
  6. Step 6: Final answer
    x = 137,584.08

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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.