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Finding the Fourth Proportional to 133,772.08, 200,482.08 and 74,635.60

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Solution

The fourth proportional to 133,772.08, 200,482.08 and 74,635.60 is: 111,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,772.08 : 200,482.08 = 74,635.60 : x
  2. Step 2: Convert to fraction form
    133,772.08/200,482.08 = 74,635.60/x
  3. Step 3: Cross multiply
    133,772.08x = 200,482.08 × 74,635.60
  4. Step 4: Simplify right side
    133,772.08x = 14,963,100,330.05
  5. Step 5: Solve for x
    x = 14,963,100,330.05/133,772.08
  6. Step 6: Final answer
    x = 111,855.18

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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.