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Finding the Fourth Proportional to 175,268.48, 263,029.48 and 70,116.80

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Solution

The fourth proportional to 175,268.48, 263,029.48 and 70,116.80 is: 105,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,268.48 : 263,029.48 = 70,116.80 : x
  2. Step 2: Convert to fraction form
    175,268.48/263,029.48 = 70,116.80/x
  3. Step 3: Cross multiply
    175,268.48x = 263,029.48 × 70,116.80
  4. Step 4: Simplify right side
    175,268.48x = 18,442,785,443.26
  5. Step 5: Solve for x
    x = 18,442,785,443.26/175,268.48
  6. Step 6: Final answer
    x = 105,225.91

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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.