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Finding the Fourth Proportional to 248,293.14, 342,616.62 and 146,311.98

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Solution

The fourth proportional to 248,293.14, 342,616.62 and 146,311.98 is: 201,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,293.14 : 342,616.62 = 146,311.98 : x
  2. Step 2: Convert to fraction form
    248,293.14/342,616.62 = 146,311.98/x
  3. Step 3: Cross multiply
    248,293.14x = 342,616.62 × 146,311.98
  4. Step 4: Simplify right side
    248,293.14x = 50,128,916,053.11
  5. Step 5: Solve for x
    x = 50,128,916,053.11/248,293.14
  6. Step 6: Final answer
    x = 201,894.08

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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.