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Finding the Fourth Proportional to 95,856.40, 143,784.60 and 88,274.80

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Solution

The fourth proportional to 95,856.40, 143,784.60 and 88,274.80 is: 132,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,856.40 : 143,784.60 = 88,274.80 : x
  2. Step 2: Convert to fraction form
    95,856.40/143,784.60 = 88,274.80/x
  3. Step 3: Cross multiply
    95,856.40x = 143,784.60 × 88,274.80
  4. Step 4: Simplify right side
    95,856.40x = 12,692,556,808.08
  5. Step 5: Solve for x
    x = 12,692,556,808.08/95,856.40
  6. Step 6: Final answer
    x = 132,412.20

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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.