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Finding the Fourth Proportional to 248,676.30, 373,124.70 and 130,319.51

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Solution

The fourth proportional to 248,676.30, 373,124.70 and 130,319.51 is: 195,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,676.30 : 373,124.70 = 130,319.51 : x
  2. Step 2: Convert to fraction form
    248,676.30/373,124.70 = 130,319.51/x
  3. Step 3: Cross multiply
    248,676.30x = 373,124.70 × 130,319.51
  4. Step 4: Simplify right side
    248,676.30x = 48,625,426,207.27
  5. Step 5: Solve for x
    x = 48,625,426,207.27/248,676.30
  6. Step 6: Final answer
    x = 195,537.03

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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.