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Finding the Fourth Proportional to 296,863.81, 445,127.02 and 116,851.67

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Solution

The fourth proportional to 296,863.81, 445,127.02 and 116,851.67 is: 175,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,863.81 : 445,127.02 = 116,851.67 : x
  2. Step 2: Convert to fraction form
    296,863.81/445,127.02 = 116,851.67/x
  3. Step 3: Cross multiply
    296,863.81x = 445,127.02 × 116,851.67
  4. Step 4: Simplify right side
    296,863.81x = 52,013,835,064.87
  5. Step 5: Solve for x
    x = 52,013,835,064.87/296,863.81
  6. Step 6: Final answer
    x = 175,211.10

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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.