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Finding the Fourth Proportional to 100,752.88, 151,101.96 and 53,303.44

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Solution

The fourth proportional to 100,752.88, 151,101.96 and 53,303.44 is: 79,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,752.88 : 151,101.96 = 53,303.44 : x
  2. Step 2: Convert to fraction form
    100,752.88/151,101.96 = 53,303.44/x
  3. Step 3: Cross multiply
    100,752.88x = 151,101.96 × 53,303.44
  4. Step 4: Simplify right side
    100,752.88x = 8,054,254,258.74
  5. Step 5: Solve for x
    x = 8,054,254,258.74/100,752.88
  6. Step 6: Final answer
    x = 79,940.69

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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.