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Finding the Fourth Proportional to 114,572.60, 171,513.30 and 100,748.60

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Solution

The fourth proportional to 114,572.60, 171,513.30 and 100,748.60 is: 150,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,572.60 : 171,513.30 = 100,748.60 : x
  2. Step 2: Convert to fraction form
    114,572.60/171,513.30 = 100,748.60/x
  3. Step 3: Cross multiply
    114,572.60x = 171,513.30 × 100,748.60
  4. Step 4: Simplify right side
    114,572.60x = 17,279,724,856.38
  5. Step 5: Solve for x
    x = 17,279,724,856.38/114,572.60
  6. Step 6: Final answer
    x = 150,819.00

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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.