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Finding the Fourth Proportional to 110,005.60, 165,008.40 and 103,093.60

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Solution

The fourth proportional to 110,005.60, 165,008.40 and 103,093.60 is: 154,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,005.60 : 165,008.40 = 103,093.60 : x
  2. Step 2: Convert to fraction form
    110,005.60/165,008.40 = 103,093.60/x
  3. Step 3: Cross multiply
    110,005.60x = 165,008.40 × 103,093.60
  4. Step 4: Simplify right side
    110,005.60x = 17,011,309,986.24
  5. Step 5: Solve for x
    x = 17,011,309,986.24/110,005.60
  6. Step 6: Final answer
    x = 154,640.40

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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.