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Finding the Fourth Proportional to 208,622.84, 312,952.66 and 58,864.44

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Solution

The fourth proportional to 208,622.84, 312,952.66 and 58,864.44 is: 88,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,622.84 : 312,952.66 = 58,864.44 : x
  2. Step 2: Convert to fraction form
    208,622.84/312,952.66 = 58,864.44/x
  3. Step 3: Cross multiply
    208,622.84x = 312,952.66 × 58,864.44
  4. Step 4: Simplify right side
    208,622.84x = 18,421,783,077.41
  5. Step 5: Solve for x
    x = 18,421,783,077.41/208,622.84
  6. Step 6: Final answer
    x = 88,301.85

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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.