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Finding the Fourth Proportional to 265,141.84, 365,884.68 and 145,902.16

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Solution

The fourth proportional to 265,141.84, 365,884.68 and 145,902.16 is: 201,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,141.84 : 365,884.68 = 145,902.16 : x
  2. Step 2: Convert to fraction form
    265,141.84/365,884.68 = 145,902.16/x
  3. Step 3: Cross multiply
    265,141.84x = 365,884.68 × 145,902.16
  4. Step 4: Simplify right side
    265,141.84x = 53,383,365,122.91
  5. Step 5: Solve for x
    x = 53,383,365,122.91/265,141.84
  6. Step 6: Final answer
    x = 201,338.90

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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.