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Finding the Fourth Proportional to 248,259.51, 342,623.34 and 146,317.80

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Solution

The fourth proportional to 248,259.51, 342,623.34 and 146,317.80 is: 201,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,259.51 : 342,623.34 = 146,317.80 : x
  2. Step 2: Convert to fraction form
    248,259.51/342,623.34 = 146,317.80/x
  3. Step 3: Cross multiply
    248,259.51x = 342,623.34 × 146,317.80
  4. Step 4: Simplify right side
    248,259.51x = 50,131,893,337.45
  5. Step 5: Solve for x
    x = 50,131,893,337.45/248,259.51
  6. Step 6: Final answer
    x = 201,933.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.