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Finding the Fourth Proportional to 162,220.86, 223,858.01 and 93,305.08

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Solution

The fourth proportional to 162,220.86, 223,858.01 and 93,305.08 is: 128,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,220.86 : 223,858.01 = 93,305.08 : x
  2. Step 2: Convert to fraction form
    162,220.86/223,858.01 = 93,305.08/x
  3. Step 3: Cross multiply
    162,220.86x = 223,858.01 × 93,305.08
  4. Step 4: Simplify right side
    162,220.86x = 20,887,087,945.88
  5. Step 5: Solve for x
    x = 20,887,087,945.88/162,220.86
  6. Step 6: Final answer
    x = 128,757.11

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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.