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Finding the Fourth Proportional to 164,970, 247,455 and 59,789.07

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Solution

The fourth proportional to 164,970, 247,455 and 59,789.07 is: 89,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,970 : 247,455 = 59,789.07 : x
  2. Step 2: Convert to fraction form
    164,970/247,455 = 59,789.07/x
  3. Step 3: Cross multiply
    164,970x = 247,455 × 59,789.07
  4. Step 4: Simplify right side
    164,970x = 14,795,104,316.85
  5. Step 5: Solve for x
    x = 14,795,104,316.85/164,970
  6. Step 6: Final answer
    x = 89,683.61

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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.