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Finding the Fourth Proportional to 216,048, 324,071.04 and 58,292.16

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Solution

The fourth proportional to 216,048, 324,071.04 and 58,292.16 is: 87,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,048 : 324,071.04 = 58,292.16 : x
  2. Step 2: Convert to fraction form
    216,048/324,071.04 = 58,292.16/x
  3. Step 3: Cross multiply
    216,048x = 324,071.04 × 58,292.16
  4. Step 4: Simplify right side
    216,048x = 18,890,800,915.05
  5. Step 5: Solve for x
    x = 18,890,800,915.05/216,048
  6. Step 6: Final answer
    x = 87,437.98

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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.