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Finding the Fourth Proportional to 248,953.50, 373,583.34 and 130,709.70

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Solution

The fourth proportional to 248,953.50, 373,583.34 and 130,709.70 is: 196,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,953.50 : 373,583.34 = 130,709.70 : x
  2. Step 2: Convert to fraction form
    248,953.50/373,583.34 = 130,709.70/x
  3. Step 3: Cross multiply
    248,953.50x = 373,583.34 × 130,709.70
  4. Step 4: Simplify right side
    248,953.50x = 48,830,966,296.40
  5. Step 5: Solve for x
    x = 48,830,966,296.40/248,953.50
  6. Step 6: Final answer
    x = 196,144.93

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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.