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Finding the Fourth Proportional to 164,987.80, 247,481.70 and 59,810.20

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Solution

The fourth proportional to 164,987.80, 247,481.70 and 59,810.20 is: 89,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,987.80 : 247,481.70 = 59,810.20 : x
  2. Step 2: Convert to fraction form
    164,987.80/247,481.70 = 59,810.20/x
  3. Step 3: Cross multiply
    164,987.80x = 247,481.70 × 59,810.20
  4. Step 4: Simplify right side
    164,987.80x = 14,801,929,973.34
  5. Step 5: Solve for x
    x = 14,801,929,973.34/164,987.80
  6. Step 6: Final answer
    x = 89,715.30

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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.