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Finding the Fourth Proportional to 109,363.70, 153,523.90 and 109,363.70

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Solution

The fourth proportional to 109,363.70, 153,523.90 and 109,363.70 is: 153,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363.70 : 153,523.90 = 109,363.70 : x
  2. Step 2: Convert to fraction form
    109,363.70/153,523.90 = 109,363.70/x
  3. Step 3: Cross multiply
    109,363.70x = 153,523.90 × 109,363.70
  4. Step 4: Simplify right side
    109,363.70x = 16,789,941,742.43
  5. Step 5: Solve for x
    x = 16,789,941,742.43/109,363.70
  6. Step 6: Final answer
    x = 153,523.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.