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Finding the Fourth Proportional to 266,963.79, 368,405.10 and 146,102.65

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Solution

The fourth proportional to 266,963.79, 368,405.10 and 146,102.65 is: 201,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,963.79 : 368,405.10 = 146,102.65 : x
  2. Step 2: Convert to fraction form
    266,963.79/368,405.10 = 146,102.65/x
  3. Step 3: Cross multiply
    266,963.79x = 368,405.10 × 146,102.65
  4. Step 4: Simplify right side
    266,963.79x = 53,824,961,383.52
  5. Step 5: Solve for x
    x = 53,824,961,383.52/266,963.79
  6. Step 6: Final answer
    x = 201,618.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.