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Finding the Fourth Proportional to 175,669, 263,536.80 and 70,496.28

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Solution

The fourth proportional to 175,669, 263,536.80 and 70,496.28 is: 105,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,669 : 263,536.80 = 70,496.28 : x
  2. Step 2: Convert to fraction form
    175,669/263,536.80 = 70,496.28/x
  3. Step 3: Cross multiply
    175,669x = 263,536.80 × 70,496.28
  4. Step 4: Simplify right side
    175,669x = 18,578,364,043.10
  5. Step 5: Solve for x
    x = 18,578,364,043.10/175,669
  6. Step 6: Final answer
    x = 105,757.78

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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.