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Finding the Fourth Proportional to 110,025.20, 165,005.40 and 43,443.20

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Solution

The fourth proportional to 110,025.20, 165,005.40 and 43,443.20 is: 65,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,025.20 : 165,005.40 = 43,443.20 : x
  2. Step 2: Convert to fraction form
    110,025.20/165,005.40 = 43,443.20/x
  3. Step 3: Cross multiply
    110,025.20x = 165,005.40 × 43,443.20
  4. Step 4: Simplify right side
    110,025.20x = 7,168,362,593.28
  5. Step 5: Solve for x
    x = 7,168,362,593.28/110,025.20
  6. Step 6: Final answer
    x = 65,152.01

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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.