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Finding the Fourth Proportional to 228,580.80, 343,101.60 and 110,347.20

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Solution

The fourth proportional to 228,580.80, 343,101.60 and 110,347.20 is: 165,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,580.80 : 343,101.60 = 110,347.20 : x
  2. Step 2: Convert to fraction form
    228,580.80/343,101.60 = 110,347.20/x
  3. Step 3: Cross multiply
    228,580.80x = 343,101.60 × 110,347.20
  4. Step 4: Simplify right side
    228,580.80x = 37,860,300,875.52
  5. Step 5: Solve for x
    x = 37,860,300,875.52/228,580.80
  6. Step 6: Final answer
    x = 165,632.03

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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.