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Finding the Fourth Proportional to 101,909.96, 152,698.48 and 61,941.17

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Solution

The fourth proportional to 101,909.96, 152,698.48 and 61,941.17 is: 92,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,909.96 : 152,698.48 = 61,941.17 : x
  2. Step 2: Convert to fraction form
    101,909.96/152,698.48 = 61,941.17/x
  3. Step 3: Cross multiply
    101,909.96x = 152,698.48 × 61,941.17
  4. Step 4: Simplify right side
    101,909.96x = 9,458,322,508.42
  5. Step 5: Solve for x
    x = 9,458,322,508.42/101,909.96
  6. Step 6: Final answer
    x = 92,810.58

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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.