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Finding the Fourth Proportional to 201,366, 302,050.82 and 61,124.63

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Solution

The fourth proportional to 201,366, 302,050.82 and 61,124.63 is: 91,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,366 : 302,050.82 = 61,124.63 : x
  2. Step 2: Convert to fraction form
    201,366/302,050.82 = 61,124.63/x
  3. Step 3: Cross multiply
    201,366x = 302,050.82 × 61,124.63
  4. Step 4: Simplify right side
    201,366x = 18,462,743,256.25
  5. Step 5: Solve for x
    x = 18,462,743,256.25/201,366
  6. Step 6: Final answer
    x = 91,687.49

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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.