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Finding the Fourth Proportional to 162,956.84, 224,879.72 and 91,336.86

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Solution

The fourth proportional to 162,956.84, 224,879.72 and 91,336.86 is: 126,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,956.84 : 224,879.72 = 91,336.86 : x
  2. Step 2: Convert to fraction form
    162,956.84/224,879.72 = 91,336.86/x
  3. Step 3: Cross multiply
    162,956.84x = 224,879.72 × 91,336.86
  4. Step 4: Simplify right side
    162,956.84x = 20,539,807,045.79
  5. Step 5: Solve for x
    x = 20,539,807,045.79/162,956.84
  6. Step 6: Final answer
    x = 126,044.46

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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.