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Finding the Fourth Proportional to 190,049.92, 285,263.16 and 168,841.42

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Solution

The fourth proportional to 190,049.92, 285,263.16 and 168,841.42 is: 253,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,049.92 : 285,263.16 = 168,841.42 : x
  2. Step 2: Convert to fraction form
    190,049.92/285,263.16 = 168,841.42/x
  3. Step 3: Cross multiply
    190,049.92x = 285,263.16 × 168,841.42
  4. Step 4: Simplify right side
    190,049.92x = 48,164,237,008.09
  5. Step 5: Solve for x
    x = 48,164,237,008.09/190,049.92
  6. Step 6: Final answer
    x = 253,429.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.