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Finding the Fourth Proportional to 110,762.58, 152,855.82 and 63,022.80

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Solution

The fourth proportional to 110,762.58, 152,855.82 and 63,022.80 is: 86,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,762.58 : 152,855.82 = 63,022.80 : x
  2. Step 2: Convert to fraction form
    110,762.58/152,855.82 = 63,022.80/x
  3. Step 3: Cross multiply
    110,762.58x = 152,855.82 × 63,022.80
  4. Step 4: Simplify right side
    110,762.58x = 9,633,401,772.70
  5. Step 5: Solve for x
    x = 9,633,401,772.70/110,762.58
  6. Step 6: Final answer
    x = 86,973.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.