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Finding the Fourth Proportional to 247,078.62, 370,706.22 and 97,235.91

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Solution

The fourth proportional to 247,078.62, 370,706.22 and 97,235.91 is: 145,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,078.62 : 370,706.22 = 97,235.91 : x
  2. Step 2: Convert to fraction form
    247,078.62/370,706.22 = 97,235.91/x
  3. Step 3: Cross multiply
    247,078.62x = 370,706.22 × 97,235.91
  4. Step 4: Simplify right side
    247,078.62x = 36,045,956,644.36
  5. Step 5: Solve for x
    x = 36,045,956,644.36/247,078.62
  6. Step 6: Final answer
    x = 145,888.61

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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.