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Finding the Fourth Proportional to 142,750.40, 214,125.60 and 95,748.80

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Solution

The fourth proportional to 142,750.40, 214,125.60 and 95,748.80 is: 143,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750.40 : 214,125.60 = 95,748.80 : x
  2. Step 2: Convert to fraction form
    142,750.40/214,125.60 = 95,748.80/x
  3. Step 3: Cross multiply
    142,750.40x = 214,125.60 × 95,748.80
  4. Step 4: Simplify right side
    142,750.40x = 20,502,269,249.28
  5. Step 5: Solve for x
    x = 20,502,269,249.28/142,750.40
  6. Step 6: Final answer
    x = 143,623.20

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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.