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Finding the Fourth Proportional to 194,752.49, 292,166.62 and 74,800.67

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Solution

The fourth proportional to 194,752.49, 292,166.62 and 74,800.67 is: 112,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,752.49 : 292,166.62 = 74,800.67 : x
  2. Step 2: Convert to fraction form
    194,752.49/292,166.62 = 74,800.67/x
  3. Step 3: Cross multiply
    194,752.49x = 292,166.62 × 74,800.67
  4. Step 4: Simplify right side
    194,752.49x = 21,854,258,927.64
  5. Step 5: Solve for x
    x = 21,854,258,927.64/194,752.49
  6. Step 6: Final answer
    x = 112,215.56

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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.