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Finding the Fourth Proportional to 133,772.58, 200,482.83 and 74,636.10

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Solution

The fourth proportional to 133,772.58, 200,482.83 and 74,636.10 is: 111,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,772.58 : 200,482.83 = 74,636.10 : x
  2. Step 2: Convert to fraction form
    133,772.58/200,482.83 = 74,636.10/x
  3. Step 3: Cross multiply
    133,772.58x = 200,482.83 × 74,636.10
  4. Step 4: Simplify right side
    133,772.58x = 14,963,256,548.16
  5. Step 5: Solve for x
    x = 14,963,256,548.16/133,772.58
  6. Step 6: Final answer
    x = 111,855.93

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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.