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Finding the Fourth Proportional to 262,047.60, 393,244.20 and 95,835.60

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Solution

The fourth proportional to 262,047.60, 393,244.20 and 95,835.60 is: 143,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,047.60 : 393,244.20 = 95,835.60 : x
  2. Step 2: Convert to fraction form
    262,047.60/393,244.20 = 95,835.60/x
  3. Step 3: Cross multiply
    262,047.60x = 393,244.20 × 95,835.60
  4. Step 4: Simplify right side
    262,047.60x = 37,686,793,853.52
  5. Step 5: Solve for x
    x = 37,686,793,853.52/262,047.60
  6. Step 6: Final answer
    x = 143,816.60

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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.