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Finding the Fourth Proportional to 266,050.80, 399,095.40 and 160,642.80

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Solution

The fourth proportional to 266,050.80, 399,095.40 and 160,642.80 is: 240,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,050.80 : 399,095.40 = 160,642.80 : x
  2. Step 2: Convert to fraction form
    266,050.80/399,095.40 = 160,642.80/x
  3. Step 3: Cross multiply
    266,050.80x = 399,095.40 × 160,642.80
  4. Step 4: Simplify right side
    266,050.80x = 64,111,802,523.12
  5. Step 5: Solve for x
    x = 64,111,802,523.12/266,050.80
  6. Step 6: Final answer
    x = 240,975.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.