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Finding the Fourth Proportional to 125,801.82, 188,565.47 and 61,804.01

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Solution

The fourth proportional to 125,801.82, 188,565.47 and 61,804.01 is: 92,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,801.82 : 188,565.47 = 61,804.01 : x
  2. Step 2: Convert to fraction form
    125,801.82/188,565.47 = 61,804.01/x
  3. Step 3: Cross multiply
    125,801.82x = 188,565.47 × 61,804.01
  4. Step 4: Simplify right side
    125,801.82x = 11,654,100,941.69
  5. Step 5: Solve for x
    x = 11,654,100,941.69/125,801.82
  6. Step 6: Final answer
    x = 92,638.57

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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.