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Finding the Fourth Proportional to 266,292.72, 367,486.44 and 151,565.74

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Solution

The fourth proportional to 266,292.72, 367,486.44 and 151,565.74 is: 209,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,292.72 : 367,486.44 = 151,565.74 : x
  2. Step 2: Convert to fraction form
    266,292.72/367,486.44 = 151,565.74/x
  3. Step 3: Cross multiply
    266,292.72x = 367,486.44 × 151,565.74
  4. Step 4: Simplify right side
    266,292.72x = 55,698,354,218.57
  5. Step 5: Solve for x
    x = 55,698,354,218.57/266,292.72
  6. Step 6: Final answer
    x = 209,162.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.