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Finding the Fourth Proportional to 253,522.79, 350,098.55 and 163,035.91

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Solution

The fourth proportional to 253,522.79, 350,098.55 and 163,035.91 is: 225,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,522.79 : 350,098.55 = 163,035.91 : x
  2. Step 2: Convert to fraction form
    253,522.79/350,098.55 = 163,035.91/x
  3. Step 3: Cross multiply
    253,522.79x = 350,098.55 × 163,035.91
  4. Step 4: Simplify right side
    253,522.79x = 57,078,635,688.93
  5. Step 5: Solve for x
    x = 57,078,635,688.93/253,522.79
  6. Step 6: Final answer
    x = 225,142.03

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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.