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Finding the Fourth Proportional to 205,438.95, 308,154.11 and 94,630.95

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Solution

The fourth proportional to 205,438.95, 308,154.11 and 94,630.95 is: 141,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,438.95 : 308,154.11 = 94,630.95 : x
  2. Step 2: Convert to fraction form
    205,438.95/308,154.11 = 94,630.95/x
  3. Step 3: Cross multiply
    205,438.95x = 308,154.11 × 94,630.95
  4. Step 4: Simplify right side
    205,438.95x = 29,160,915,702.55
  5. Step 5: Solve for x
    x = 29,160,915,702.55/205,438.95
  6. Step 6: Final answer
    x = 141,944.44

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1.5x scale

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.