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Finding the Fourth Proportional to 110,002.80, 165,004.20 and 103,551.60

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Solution

The fourth proportional to 110,002.80, 165,004.20 and 103,551.60 is: 155,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,002.80 : 165,004.20 = 103,551.60 : x
  2. Step 2: Convert to fraction form
    110,002.80/165,004.20 = 103,551.60/x
  3. Step 3: Cross multiply
    110,002.80x = 165,004.20 × 103,551.60
  4. Step 4: Simplify right side
    110,002.80x = 17,086,448,916.72
  5. Step 5: Solve for x
    x = 17,086,448,916.72/110,002.80
  6. Step 6: Final answer
    x = 155,327.40

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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.