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Finding the Fourth Proportional to 170,443.60, 255,780.60 and 95,563.60

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Solution

The fourth proportional to 170,443.60, 255,780.60 and 95,563.60 is: 143,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,443.60 : 255,780.60 = 95,563.60 : x
  2. Step 2: Convert to fraction form
    170,443.60/255,780.60 = 95,563.60/x
  3. Step 3: Cross multiply
    170,443.60x = 255,780.60 × 95,563.60
  4. Step 4: Simplify right side
    170,443.60x = 24,443,314,946.16
  5. Step 5: Solve for x
    x = 24,443,314,946.16/170,443.60
  6. Step 6: Final answer
    x = 143,409.99

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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.