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Finding the Fourth Proportional to 216,497.10, 324,707.38 and 58,737.86

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Solution

The fourth proportional to 216,497.10, 324,707.38 and 58,737.86 is: 88,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,497.10 : 324,707.38 = 58,737.86 : x
  2. Step 2: Convert to fraction form
    216,497.10/324,707.38 = 58,737.86/x
  3. Step 3: Cross multiply
    216,497.10x = 324,707.38 × 58,737.86
  4. Step 4: Simplify right side
    216,497.10x = 19,072,614,710.18
  5. Step 5: Solve for x
    x = 19,072,614,710.18/216,497.10
  6. Step 6: Final answer
    x = 88,096.40

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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.