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Finding the Fourth Proportional to 201,130.62, 301,695.62 and 51,370.87

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Solution

The fourth proportional to 201,130.62, 301,695.62 and 51,370.87 is: 77,056.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,130.62 : 301,695.62 = 51,370.87 : x
  2. Step 2: Convert to fraction form
    201,130.62/301,695.62 = 51,370.87/x
  3. Step 3: Cross multiply
    201,130.62x = 301,695.62 × 51,370.87
  4. Step 4: Simplify right side
    201,130.62x = 15,498,366,474.59
  5. Step 5: Solve for x
    x = 15,498,366,474.59/201,130.62
  6. Step 6: Final answer
    x = 77,056.23

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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.