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Finding the Fourth Proportional to 239,211.39, 358,692.54 and 89,328.44

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Solution

The fourth proportional to 239,211.39, 358,692.54 and 89,328.44 is: 133,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,211.39 : 358,692.54 = 89,328.44 : x
  2. Step 2: Convert to fraction form
    239,211.39/358,692.54 = 89,328.44/x
  3. Step 3: Cross multiply
    239,211.39x = 358,692.54 × 89,328.44
  4. Step 4: Simplify right side
    239,211.39x = 32,041,443,244.37
  5. Step 5: Solve for x
    x = 32,041,443,244.37/239,211.39
  6. Step 6: Final answer
    x = 133,946.14

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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.