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Finding the Fourth Proportional to 162,858.75, 224,749.49 and 91,237.22

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Solution

The fourth proportional to 162,858.75, 224,749.49 and 91,237.22 is: 125,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,858.75 : 224,749.49 = 91,237.22 : x
  2. Step 2: Convert to fraction form
    162,858.75/224,749.49 = 91,237.22/x
  3. Step 3: Cross multiply
    162,858.75x = 224,749.49 × 91,237.22
  4. Step 4: Simplify right side
    162,858.75x = 20,505,518,664.02
  5. Step 5: Solve for x
    x = 20,505,518,664.02/162,858.75
  6. Step 6: Final answer
    x = 125,909.84

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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.