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Finding the Fourth Proportional to 248,673.67, 373,120.76 and 130,316.87

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Solution

The fourth proportional to 248,673.67, 373,120.76 and 130,316.87 is: 195,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,673.67 : 373,120.76 = 130,316.87 : x
  2. Step 2: Convert to fraction form
    248,673.67/373,120.76 = 130,316.87/x
  3. Step 3: Cross multiply
    248,673.67x = 373,120.76 × 130,316.87
  4. Step 4: Simplify right side
    248,673.67x = 48,623,930,833.82
  5. Step 5: Solve for x
    x = 48,623,930,833.82/248,673.67
  6. Step 6: Final answer
    x = 195,533.09

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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.