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Finding the Fourth Proportional to 504,094.90, 756,142.37 and 149,081.28

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Solution

The fourth proportional to 504,094.90, 756,142.37 and 149,081.28 is: 223,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,094.90 : 756,142.37 = 149,081.28 : x
  2. Step 2: Convert to fraction form
    504,094.90/756,142.37 = 149,081.28/x
  3. Step 3: Cross multiply
    504,094.90x = 756,142.37 × 149,081.28
  4. Step 4: Simplify right side
    504,094.90x = 112,726,672,381.83
  5. Step 5: Solve for x
    x = 112,726,672,381.83/504,094.90
  6. Step 6: Final answer
    x = 223,621.93

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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.