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Finding the Fourth Proportional to 92,487.74, 127,564.38 and 56,189.03

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Solution

The fourth proportional to 92,487.74, 127,564.38 and 56,189.03 is: 77,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,487.74 : 127,564.38 = 56,189.03 : x
  2. Step 2: Convert to fraction form
    92,487.74/127,564.38 = 56,189.03/x
  3. Step 3: Cross multiply
    92,487.74x = 127,564.38 × 56,189.03
  4. Step 4: Simplify right side
    92,487.74x = 7,167,718,136.93
  5. Step 5: Solve for x
    x = 7,167,718,136.93/92,487.74
  6. Step 6: Final answer
    x = 77,499.12

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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.