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Finding the Fourth Proportional to 227,991.60, 341,987.04 and 61,779.60

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Solution

The fourth proportional to 227,991.60, 341,987.04 and 61,779.60 is: 92,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,991.60 : 341,987.04 = 61,779.60 : x
  2. Step 2: Convert to fraction form
    227,991.60/341,987.04 = 61,779.60/x
  3. Step 3: Cross multiply
    227,991.60x = 341,987.04 × 61,779.60
  4. Step 4: Simplify right side
    227,991.60x = 21,127,822,536.38
  5. Step 5: Solve for x
    x = 21,127,822,536.38/227,991.60
  6. Step 6: Final answer
    x = 92,669.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.