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Finding the Fourth Proportional to 164,711, 247,044.66 and 46,391.64

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Solution

The fourth proportional to 164,711, 247,044.66 and 46,391.64 is: 69,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,711 : 247,044.66 = 46,391.64 : x
  2. Step 2: Convert to fraction form
    164,711/247,044.66 = 46,391.64/x
  3. Step 3: Cross multiply
    164,711x = 247,044.66 × 46,391.64
  4. Step 4: Simplify right side
    164,711x = 11,460,806,930.64
  5. Step 5: Solve for x
    x = 11,460,806,930.64/164,711
  6. Step 6: Final answer
    x = 69,581.31

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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.