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Finding the Fourth Proportional to 253,801.08, 350,246.03 and 140,623.83

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Solution

The fourth proportional to 253,801.08, 350,246.03 and 140,623.83 is: 194,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,801.08 : 350,246.03 = 140,623.83 : x
  2. Step 2: Convert to fraction form
    253,801.08/350,246.03 = 140,623.83/x
  3. Step 3: Cross multiply
    253,801.08x = 350,246.03 × 140,623.83
  4. Step 4: Simplify right side
    253,801.08x = 49,252,937,477.78
  5. Step 5: Solve for x
    x = 49,252,937,477.78/253,801.08
  6. Step 6: Final answer
    x = 194,061.18

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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.