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Finding the Fourth Proportional to 226,959.25, 340,248.30 and 98,779.81

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Solution

The fourth proportional to 226,959.25, 340,248.30 and 98,779.81 is: 148,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,959.25 : 340,248.30 = 98,779.81 : x
  2. Step 2: Convert to fraction form
    226,959.25/340,248.30 = 98,779.81/x
  3. Step 3: Cross multiply
    226,959.25x = 340,248.30 × 98,779.81
  4. Step 4: Simplify right side
    226,959.25x = 33,609,662,426.82
  5. Step 5: Solve for x
    x = 33,609,662,426.82/226,959.25
  6. Step 6: Final answer
    x = 148,086.77

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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.