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Finding the Fourth Proportional to 164,539.61, 246,809.41 and 39,880.61

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Solution

The fourth proportional to 164,539.61, 246,809.41 and 39,880.61 is: 59,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,539.61 : 246,809.41 = 39,880.61 : x
  2. Step 2: Convert to fraction form
    164,539.61/246,809.41 = 39,880.61/x
  3. Step 3: Cross multiply
    164,539.61x = 246,809.41 × 39,880.61
  4. Step 4: Simplify right side
    164,539.61x = 9,842,908,590.49
  5. Step 5: Solve for x
    x = 9,842,908,590.49/164,539.61
  6. Step 6: Final answer
    x = 59,820.91

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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.