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Finding the Fourth Proportional to 266,185.50, 399,081.42 and 160,981.08

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Solution

The fourth proportional to 266,185.50, 399,081.42 and 160,981.08 is: 241,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,185.50 : 399,081.42 = 160,981.08 : x
  2. Step 2: Convert to fraction form
    266,185.50/399,081.42 = 160,981.08/x
  3. Step 3: Cross multiply
    266,185.50x = 399,081.42 × 160,981.08
  4. Step 4: Simplify right side
    266,185.50x = 64,244,557,999.53
  5. Step 5: Solve for x
    x = 64,244,557,999.53/266,185.50
  6. Step 6: Final answer
    x = 241,352.58

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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.