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Finding the Fourth Proportional to 201,005.04, 301,295.88 and 67,758.96

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Solution

The fourth proportional to 201,005.04, 301,295.88 and 67,758.96 is: 101,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,005.04 : 301,295.88 = 67,758.96 : x
  2. Step 2: Convert to fraction form
    201,005.04/301,295.88 = 67,758.96/x
  3. Step 3: Cross multiply
    201,005.04x = 301,295.88 × 67,758.96
  4. Step 4: Simplify right side
    201,005.04x = 20,415,495,481.08
  5. Step 5: Solve for x
    x = 20,415,495,481.08/201,005.04
  6. Step 6: Final answer
    x = 101,567.08

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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.