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Finding the Fourth Proportional to 239,214.60, 358,821.90 and 73,002.60

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Solution

The fourth proportional to 239,214.60, 358,821.90 and 73,002.60 is: 109,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,214.60 : 358,821.90 = 73,002.60 : x
  2. Step 2: Convert to fraction form
    239,214.60/358,821.90 = 73,002.60/x
  3. Step 3: Cross multiply
    239,214.60x = 358,821.90 × 73,002.60
  4. Step 4: Simplify right side
    239,214.60x = 26,194,931,636.94
  5. Step 5: Solve for x
    x = 26,194,931,636.94/239,214.60
  6. Step 6: Final answer
    x = 109,503.90

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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.