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Finding the Fourth Proportional to 75,498.01, 113,334.50 and 40,506.01

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Solution

The fourth proportional to 75,498.01, 113,334.50 and 40,506.01 is: 60,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,498.01 : 113,334.50 = 40,506.01 : x
  2. Step 2: Convert to fraction form
    75,498.01/113,334.50 = 40,506.01/x
  3. Step 3: Cross multiply
    75,498.01x = 113,334.50 × 40,506.01
  4. Step 4: Simplify right side
    75,498.01x = 4,590,728,390.35
  5. Step 5: Solve for x
    x = 4,590,728,390.35/75,498.01
  6. Step 6: Final answer
    x = 60,805.95

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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.