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Finding the Fourth Proportional to 248,300.73, 342,691.90 and 146,293.58

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Solution

The fourth proportional to 248,300.73, 342,691.90 and 146,293.58 is: 201,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,300.73 : 342,691.90 = 146,293.58 : x
  2. Step 2: Convert to fraction form
    248,300.73/342,691.90 = 146,293.58/x
  3. Step 3: Cross multiply
    248,300.73x = 342,691.90 × 146,293.58
  4. Step 4: Simplify right side
    248,300.73x = 50,133,624,888.00
  5. Step 5: Solve for x
    x = 50,133,624,888.00/248,300.73
  6. Step 6: Final answer
    x = 201,906.88

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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.