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Finding the Fourth Proportional to 266,259.92, 367,486.15 and 157,359.81

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Solution

The fourth proportional to 266,259.92, 367,486.15 and 157,359.81 is: 217,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,259.92 : 367,486.15 = 157,359.81 : x
  2. Step 2: Convert to fraction form
    266,259.92/367,486.15 = 157,359.81/x
  3. Step 3: Cross multiply
    266,259.92x = 367,486.15 × 157,359.81
  4. Step 4: Simplify right side
    266,259.92x = 57,827,550,741.63
  5. Step 5: Solve for x
    x = 57,827,550,741.63/266,259.92
  6. Step 6: Final answer
    x = 217,184.59

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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.