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Finding the Fourth Proportional to 114,615.30, 171,594.90 and 101,493.30

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Solution

The fourth proportional to 114,615.30, 171,594.90 and 101,493.30 is: 151,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,615.30 : 171,594.90 = 101,493.30 : x
  2. Step 2: Convert to fraction form
    114,615.30/171,594.90 = 101,493.30/x
  3. Step 3: Cross multiply
    114,615.30x = 171,594.90 × 101,493.30
  4. Step 4: Simplify right side
    114,615.30x = 17,415,732,664.17
  5. Step 5: Solve for x
    x = 17,415,732,664.17/114,615.30
  6. Step 6: Final answer
    x = 151,949.46

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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.