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Finding the Fourth Proportional to 101,909.81, 152,698.24 and 61,941.02

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Solution

The fourth proportional to 101,909.81, 152,698.24 and 61,941.02 is: 92,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,909.81 : 152,698.24 = 61,941.02 : x
  2. Step 2: Convert to fraction form
    101,909.81/152,698.24 = 61,941.02/x
  3. Step 3: Cross multiply
    101,909.81x = 152,698.24 × 61,941.02
  4. Step 4: Simplify right side
    101,909.81x = 9,458,285,196.98
  5. Step 5: Solve for x
    x = 9,458,285,196.98/101,909.81
  6. Step 6: Final answer
    x = 92,810.35

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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.