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Finding the Fourth Proportional to 110,478.64, 165,604.48 and 62,996.64

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Solution

The fourth proportional to 110,478.64, 165,604.48 and 62,996.64 is: 94,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,478.64 : 165,604.48 = 62,996.64 : x
  2. Step 2: Convert to fraction form
    110,478.64/165,604.48 = 62,996.64/x
  3. Step 3: Cross multiply
    110,478.64x = 165,604.48 × 62,996.64
  4. Step 4: Simplify right side
    110,478.64x = 10,432,525,808.95
  5. Step 5: Solve for x
    x = 10,432,525,808.95/110,478.64
  6. Step 6: Final answer
    x = 94,430.25

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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.