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Finding the Fourth Proportional to 248,875.92, 343,502.40 and 146,863.44

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Solution

The fourth proportional to 248,875.92, 343,502.40 and 146,863.44 is: 202,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,875.92 : 343,502.40 = 146,863.44 : x
  2. Step 2: Convert to fraction form
    248,875.92/343,502.40 = 146,863.44/x
  3. Step 3: Cross multiply
    248,875.92x = 343,502.40 × 146,863.44
  4. Step 4: Simplify right side
    248,875.92x = 50,447,944,112.26
  5. Step 5: Solve for x
    x = 50,447,944,112.26/248,875.92
  6. Step 6: Final answer
    x = 202,703.19

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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.