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Finding the Fourth Proportional to 110,005.80, 165,008.70 and 96,883.80

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Solution

The fourth proportional to 110,005.80, 165,008.70 and 96,883.80 is: 145,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,005.80 : 165,008.70 = 96,883.80 : x
  2. Step 2: Convert to fraction form
    110,005.80/165,008.70 = 96,883.80/x
  3. Step 3: Cross multiply
    110,005.80x = 165,008.70 × 96,883.80
  4. Step 4: Simplify right side
    110,005.80x = 15,986,669,889.06
  5. Step 5: Solve for x
    x = 15,986,669,889.06/110,005.80
  6. Step 6: Final answer
    x = 145,325.70

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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.