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Finding the Fourth Proportional to 74,135.70, 111,203.55 and 32,582.70

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Solution

The fourth proportional to 74,135.70, 111,203.55 and 32,582.70 is: 48,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,135.70 : 111,203.55 = 32,582.70 : x
  2. Step 2: Convert to fraction form
    74,135.70/111,203.55 = 32,582.70/x
  3. Step 3: Cross multiply
    74,135.70x = 111,203.55 × 32,582.70
  4. Step 4: Simplify right side
    74,135.70x = 3,623,311,908.59
  5. Step 5: Solve for x
    x = 3,623,311,908.59/74,135.70
  6. Step 6: Final answer
    x = 48,874.05

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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.