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Finding the Fourth Proportional to 122,213.20, 183,294.20 and 59,928.40

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Solution

The fourth proportional to 122,213.20, 183,294.20 and 59,928.40 is: 89,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,213.20 : 183,294.20 = 59,928.40 : x
  2. Step 2: Convert to fraction form
    122,213.20/183,294.20 = 59,928.40/x
  3. Step 3: Cross multiply
    122,213.20x = 183,294.20 × 59,928.40
  4. Step 4: Simplify right side
    122,213.20x = 10,984,528,135.28
  5. Step 5: Solve for x
    x = 10,984,528,135.28/122,213.20
  6. Step 6: Final answer
    x = 89,880.05

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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.