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Finding the Fourth Proportional to 117,997.96, 162,836.54 and 64,282.86

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Solution

The fourth proportional to 117,997.96, 162,836.54 and 64,282.86 is: 88,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,997.96 : 162,836.54 = 64,282.86 : x
  2. Step 2: Convert to fraction form
    117,997.96/162,836.54 = 64,282.86/x
  3. Step 3: Cross multiply
    117,997.96x = 162,836.54 × 64,282.86
  4. Step 4: Simplify right side
    117,997.96x = 10,467,598,503.70
  5. Step 5: Solve for x
    x = 10,467,598,503.70/117,997.96
  6. Step 6: Final answer
    x = 88,710.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.