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Finding the Fourth Proportional to 223,018.45, 334,593.30 and 89,830.15

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Solution

The fourth proportional to 223,018.45, 334,593.30 and 89,830.15 is: 134,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,018.45 : 334,593.30 = 89,830.15 : x
  2. Step 2: Convert to fraction form
    223,018.45/334,593.30 = 89,830.15/x
  3. Step 3: Cross multiply
    223,018.45x = 334,593.30 × 89,830.15
  4. Step 4: Simplify right side
    223,018.45x = 30,056,566,328.00
  5. Step 5: Solve for x
    x = 30,056,566,328.00/223,018.45
  6. Step 6: Final answer
    x = 134,771.66

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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.