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Finding the Fourth Proportional to 248,703.24, 373,056.48 and 90,869.88

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Solution

The fourth proportional to 248,703.24, 373,056.48 and 90,869.88 is: 136,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,703.24 : 373,056.48 = 90,869.88 : x
  2. Step 2: Convert to fraction form
    248,703.24/373,056.48 = 90,869.88/x
  3. Step 3: Cross multiply
    248,703.24x = 373,056.48 × 90,869.88
  4. Step 4: Simplify right side
    248,703.24x = 33,899,597,570.82
  5. Step 5: Solve for x
    x = 33,899,597,570.82/248,703.24
  6. Step 6: Final answer
    x = 136,305.41

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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.