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Finding the Fourth Proportional to 75,466.90, 113,200.35 and 36,100.90

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Solution

The fourth proportional to 75,466.90, 113,200.35 and 36,100.90 is: 54,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466.90 : 113,200.35 = 36,100.90 : x
  2. Step 2: Convert to fraction form
    75,466.90/113,200.35 = 36,100.90/x
  3. Step 3: Cross multiply
    75,466.90x = 113,200.35 × 36,100.90
  4. Step 4: Simplify right side
    75,466.90x = 4,086,634,515.32
  5. Step 5: Solve for x
    x = 4,086,634,515.32/75,466.90
  6. Step 6: Final answer
    x = 54,151.35

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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.