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Finding the Fourth Proportional to 266,991.53, 400,547.25 and 89,493.98

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Solution

The fourth proportional to 266,991.53, 400,547.25 and 89,493.98 is: 134,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,991.53 : 400,547.25 = 89,493.98 : x
  2. Step 2: Convert to fraction form
    266,991.53/400,547.25 = 89,493.98/x
  3. Step 3: Cross multiply
    266,991.53x = 400,547.25 × 89,493.98
  4. Step 4: Simplify right side
    266,991.53x = 35,846,565,577.82
  5. Step 5: Solve for x
    x = 35,846,565,577.82/266,991.53
  6. Step 6: Final answer
    x = 134,261.06

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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.