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Finding the Fourth Proportional to 174,843.60, 262,303.96 and 103,830.80

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Solution

The fourth proportional to 174,843.60, 262,303.96 and 103,830.80 is: 155,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,843.60 : 262,303.96 = 103,830.80 : x
  2. Step 2: Convert to fraction form
    174,843.60/262,303.96 = 103,830.80/x
  3. Step 3: Cross multiply
    174,843.60x = 262,303.96 × 103,830.80
  4. Step 4: Simplify right side
    174,843.60x = 27,235,230,009.97
  5. Step 5: Solve for x
    x = 27,235,230,009.97/174,843.60
  6. Step 6: Final answer
    x = 155,769.10

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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.