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Finding the Fourth Proportional to 162,667.80, 244,001.70 and 106,860.60

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Solution

The fourth proportional to 162,667.80, 244,001.70 and 106,860.60 is: 160,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,667.80 : 244,001.70 = 106,860.60 : x
  2. Step 2: Convert to fraction form
    162,667.80/244,001.70 = 106,860.60/x
  3. Step 3: Cross multiply
    162,667.80x = 244,001.70 × 106,860.60
  4. Step 4: Simplify right side
    162,667.80x = 26,074,168,063.02
  5. Step 5: Solve for x
    x = 26,074,168,063.02/162,667.80
  6. Step 6: Final answer
    x = 160,290.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.