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Finding the Fourth Proportional to 61,538.50, 92,316.66 and 19,404.34

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Solution

The fourth proportional to 61,538.50, 92,316.66 and 19,404.34 is: 29,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,538.50 : 92,316.66 = 19,404.34 : x
  2. Step 2: Convert to fraction form
    61,538.50/92,316.66 = 19,404.34/x
  3. Step 3: Cross multiply
    61,538.50x = 92,316.66 × 19,404.34
  4. Step 4: Simplify right side
    61,538.50x = 1,791,343,858.30
  5. Step 5: Solve for x
    x = 1,791,343,858.30/61,538.50
  6. Step 6: Final answer
    x = 29,109.32

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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.