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Finding the Fourth Proportional to 110,080.80, 165,186.72 and 76,373.28

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Solution

The fourth proportional to 110,080.80, 165,186.72 and 76,373.28 is: 114,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,080.80 : 165,186.72 = 76,373.28 : x
  2. Step 2: Convert to fraction form
    110,080.80/165,186.72 = 76,373.28/x
  3. Step 3: Cross multiply
    110,080.80x = 165,186.72 × 76,373.28
  4. Step 4: Simplify right side
    110,080.80x = 12,615,851,618.84
  5. Step 5: Solve for x
    x = 12,615,851,618.84/110,080.80
  6. Step 6: Final answer
    x = 114,605.38

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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.