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Finding the Fourth Proportional to 162,180.91, 223,914.97 and 145,155.63

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Solution

The fourth proportional to 162,180.91, 223,914.97 and 145,155.63 is: 200,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,180.91 : 223,914.97 = 145,155.63 : x
  2. Step 2: Convert to fraction form
    162,180.91/223,914.97 = 145,155.63/x
  3. Step 3: Cross multiply
    162,180.91x = 223,914.97 × 145,155.63
  4. Step 4: Simplify right side
    162,180.91x = 32,502,519,038.90
  5. Step 5: Solve for x
    x = 32,502,519,038.90/162,180.91
  6. Step 6: Final answer
    x = 200,409.03

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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.