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Finding the Fourth Proportional to 110,307.88, 165,487.74 and 47,996.20

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Solution

The fourth proportional to 110,307.88, 165,487.74 and 47,996.20 is: 72,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,307.88 : 165,487.74 = 47,996.20 : x
  2. Step 2: Convert to fraction form
    110,307.88/165,487.74 = 47,996.20/x
  3. Step 3: Cross multiply
    110,307.88x = 165,487.74 × 47,996.20
  4. Step 4: Simplify right side
    110,307.88x = 7,942,782,666.59
  5. Step 5: Solve for x
    x = 7,942,782,666.59/110,307.88
  6. Step 6: Final answer
    x = 72,005.58

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1.5x scale

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.