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Finding the Fourth Proportional to 266,349.20, 367,572.86 and 153,171.95

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Solution

The fourth proportional to 266,349.20, 367,572.86 and 153,171.95 is: 211,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,349.20 : 367,572.86 = 153,171.95 : x
  2. Step 2: Convert to fraction form
    266,349.20/367,572.86 = 153,171.95/x
  3. Step 3: Cross multiply
    266,349.20x = 367,572.86 × 153,171.95
  4. Step 4: Simplify right side
    266,349.20x = 56,301,849,129.55
  5. Step 5: Solve for x
    x = 56,301,849,129.55/266,349.20
  6. Step 6: Final answer
    x = 211,383.59

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