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Finding the Fourth Proportional to 162,933.92, 224,826 and 91,308.32

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Solution

The fourth proportional to 162,933.92, 224,826 and 91,308.32 is: 125,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,933.92 : 224,826 = 91,308.32 : x
  2. Step 2: Convert to fraction form
    162,933.92/224,826 = 91,308.32/x
  3. Step 3: Cross multiply
    162,933.92x = 224,826 × 91,308.32
  4. Step 4: Simplify right side
    162,933.92x = 20,528,484,352.32
  5. Step 5: Solve for x
    x = 20,528,484,352.32/162,933.92
  6. Step 6: Final answer
    x = 125,992.70

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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.