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Finding the Fourth Proportional to 162,783.78, 224,410.41 and 119,687.19

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Solution

The fourth proportional to 162,783.78, 224,410.41 and 119,687.19 is: 164,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,783.78 : 224,410.41 = 119,687.19 : x
  2. Step 2: Convert to fraction form
    162,783.78/224,410.41 = 119,687.19/x
  3. Step 3: Cross multiply
    162,783.78x = 224,410.41 × 119,687.19
  4. Step 4: Simplify right side
    162,783.78x = 26,859,051,379.65
  5. Step 5: Solve for x
    x = 26,859,051,379.65/162,783.78
  6. Step 6: Final answer
    x = 164,998.33

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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.