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Finding the Fourth Proportional to 199,157.76, 298,034.64 and 124,313.04

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Solution

The fourth proportional to 199,157.76, 298,034.64 and 124,313.04 is: 186,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,157.76 : 298,034.64 = 124,313.04 : x
  2. Step 2: Convert to fraction form
    199,157.76/298,034.64 = 124,313.04/x
  3. Step 3: Cross multiply
    199,157.76x = 298,034.64 × 124,313.04
  4. Step 4: Simplify right side
    199,157.76x = 37,049,592,123.71
  5. Step 5: Solve for x
    x = 37,049,592,123.71/199,157.76
  6. Step 6: Final answer
    x = 186,031.38

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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.