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Finding the Fourth Proportional to 358,422.48, 537,711.48 and 109,098

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Solution

The fourth proportional to 358,422.48, 537,711.48 and 109,098 is: 163,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,422.48 : 537,711.48 = 109,098 : x
  2. Step 2: Convert to fraction form
    358,422.48/537,711.48 = 109,098/x
  3. Step 3: Cross multiply
    358,422.48x = 537,711.48 × 109,098
  4. Step 4: Simplify right side
    358,422.48x = 58,663,247,045.04
  5. Step 5: Solve for x
    x = 58,663,247,045.04/358,422.48
  6. Step 6: Final answer
    x = 163,670.67

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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.