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Finding the Fourth Proportional to 162,968.96, 224,898.56 and 91,349.12

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Solution

The fourth proportional to 162,968.96, 224,898.56 and 91,349.12 is: 126,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,968.96 : 224,898.56 = 91,349.12 : x
  2. Step 2: Convert to fraction form
    162,968.96/224,898.56 = 91,349.12/x
  3. Step 3: Cross multiply
    162,968.96x = 224,898.56 × 91,349.12
  4. Step 4: Simplify right side
    162,968.96x = 20,544,285,545.27
  5. Step 5: Solve for x
    x = 20,544,285,545.27/162,968.96
  6. Step 6: Final answer
    x = 126,062.57

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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.