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Finding the Fourth Proportional to 164,714.20, 247,071.30 and 148,967.80

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Solution

The fourth proportional to 164,714.20, 247,071.30 and 148,967.80 is: 223,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,714.20 : 247,071.30 = 148,967.80 : x
  2. Step 2: Convert to fraction form
    164,714.20/247,071.30 = 148,967.80/x
  3. Step 3: Cross multiply
    164,714.20x = 247,071.30 × 148,967.80
  4. Step 4: Simplify right side
    164,714.20x = 36,805,668,004.14
  5. Step 5: Solve for x
    x = 36,805,668,004.14/164,714.20
  6. Step 6: Final answer
    x = 223,451.70

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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.