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Finding the Fourth Proportional to 110,403.20, 165,632.40 and 35,530.40

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Solution

The fourth proportional to 110,403.20, 165,632.40 and 35,530.40 is: 53,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,403.20 : 165,632.40 = 35,530.40 : x
  2. Step 2: Convert to fraction form
    110,403.20/165,632.40 = 35,530.40/x
  3. Step 3: Cross multiply
    110,403.20x = 165,632.40 × 35,530.40
  4. Step 4: Simplify right side
    110,403.20x = 5,884,985,424.96
  5. Step 5: Solve for x
    x = 5,884,985,424.96/110,403.20
  6. Step 6: Final answer
    x = 53,304.48

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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.