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Finding the Fourth Proportional to 153,279.27, 229,946.38 and 63,321.98

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Solution

The fourth proportional to 153,279.27, 229,946.38 and 63,321.98 is: 94,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,279.27 : 229,946.38 = 63,321.98 : x
  2. Step 2: Convert to fraction form
    153,279.27/229,946.38 = 63,321.98/x
  3. Step 3: Cross multiply
    153,279.27x = 229,946.38 × 63,321.98
  4. Step 4: Simplify right side
    153,279.27x = 14,560,658,767.40
  5. Step 5: Solve for x
    x = 14,560,658,767.40/153,279.27
  6. Step 6: Final answer
    x = 94,994.31

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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.