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Finding the Fourth Proportional to 299,245.74, 448,835.45 and 107,112.50

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Solution

The fourth proportional to 299,245.74, 448,835.45 and 107,112.50 is: 160,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,245.74 : 448,835.45 = 107,112.50 : x
  2. Step 2: Convert to fraction form
    299,245.74/448,835.45 = 107,112.50/x
  3. Step 3: Cross multiply
    299,245.74x = 448,835.45 × 107,112.50
  4. Step 4: Simplify right side
    299,245.74x = 48,075,887,138.13
  5. Step 5: Solve for x
    x = 48,075,887,138.13/299,245.74
  6. Step 6: Final answer
    x = 160,656.88

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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.