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Finding the Fourth Proportional to 299,087.40, 448,803.90 and 112,117.80

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Solution

The fourth proportional to 299,087.40, 448,803.90 and 112,117.80 is: 168,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,087.40 : 448,803.90 = 112,117.80 : x
  2. Step 2: Convert to fraction form
    299,087.40/448,803.90 = 112,117.80/x
  3. Step 3: Cross multiply
    299,087.40x = 448,803.90 × 112,117.80
  4. Step 4: Simplify right side
    299,087.40x = 50,318,905,899.42
  5. Step 5: Solve for x
    x = 50,318,905,899.42/299,087.40
  6. Step 6: Final answer
    x = 168,241.48

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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.