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Finding the Fourth Proportional to 210,997.89, 316,496.88 and 63,253.89

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Solution

The fourth proportional to 210,997.89, 316,496.88 and 63,253.89 is: 94,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,997.89 : 316,496.88 = 63,253.89 : x
  2. Step 2: Convert to fraction form
    210,997.89/316,496.88 = 63,253.89/x
  3. Step 3: Cross multiply
    210,997.89x = 316,496.88 × 63,253.89
  4. Step 4: Simplify right side
    210,997.89x = 20,019,658,832.86
  5. Step 5: Solve for x
    x = 20,019,658,832.86/210,997.89
  6. Step 6: Final answer
    x = 94,880.85

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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.