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Finding the Fourth Proportional to 253,133.91, 379,590.14 and 120,052.22

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Solution

The fourth proportional to 253,133.91, 379,590.14 and 120,052.22 is: 180,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,133.91 : 379,590.14 = 120,052.22 : x
  2. Step 2: Convert to fraction form
    253,133.91/379,590.14 = 120,052.22/x
  3. Step 3: Cross multiply
    253,133.91x = 379,590.14 × 120,052.22
  4. Step 4: Simplify right side
    253,133.91x = 45,570,638,997.11
  5. Step 5: Solve for x
    x = 45,570,638,997.11/253,133.91
  6. Step 6: Final answer
    x = 180,025.82

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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.