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Finding the Fourth Proportional to 164,890.80, 247,355.91 and 58,252.68

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Solution

The fourth proportional to 164,890.80, 247,355.91 and 58,252.68 is: 87,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,890.80 : 247,355.91 = 58,252.68 : x
  2. Step 2: Convert to fraction form
    164,890.80/247,355.91 = 58,252.68/x
  3. Step 3: Cross multiply
    164,890.80x = 247,355.91 × 58,252.68
  4. Step 4: Simplify right side
    164,890.80x = 14,409,144,671.34
  5. Step 5: Solve for x
    x = 14,409,144,671.34/164,890.80
  6. Step 6: Final answer
    x = 87,385.98

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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.