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Finding the Fourth Proportional to 223,319.05, 334,835.05 and 147,329.68

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Solution

The fourth proportional to 223,319.05, 334,835.05 and 147,329.68 is: 220,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,319.05 : 334,835.05 = 147,329.68 : x
  2. Step 2: Convert to fraction form
    223,319.05/334,835.05 = 147,329.68/x
  3. Step 3: Cross multiply
    223,319.05x = 334,835.05 × 147,329.68
  4. Step 4: Simplify right side
    223,319.05x = 49,331,140,819.50
  5. Step 5: Solve for x
    x = 49,331,140,819.50/223,319.05
  6. Step 6: Final answer
    x = 220,899.84

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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.