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Finding the Fourth Proportional to 248,672.42, 373,118.89 and 130,315.63

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Solution

The fourth proportional to 248,672.42, 373,118.89 and 130,315.63 is: 195,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,672.42 : 373,118.89 = 130,315.63 : x
  2. Step 2: Convert to fraction form
    248,672.42/373,118.89 = 130,315.63/x
  3. Step 3: Cross multiply
    248,672.42x = 373,118.89 × 130,315.63
  4. Step 4: Simplify right side
    248,672.42x = 48,623,221,349.66
  5. Step 5: Solve for x
    x = 48,623,221,349.66/248,672.42
  6. Step 6: Final answer
    x = 195,531.22

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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.