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Finding the Fourth Proportional to 164,809.65, 246,886.92 and 80,323.44

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Solution

The fourth proportional to 164,809.65, 246,886.92 and 80,323.44 is: 120,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,809.65 : 246,886.92 = 80,323.44 : x
  2. Step 2: Convert to fraction form
    164,809.65/246,886.92 = 80,323.44/x
  3. Step 3: Cross multiply
    164,809.65x = 246,886.92 × 80,323.44
  4. Step 4: Simplify right side
    164,809.65x = 19,830,806,705.40
  5. Step 5: Solve for x
    x = 19,830,806,705.40/164,809.65
  6. Step 6: Final answer
    x = 120,325.52

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1.5x scale

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.