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Finding the Fourth Proportional to 248,066.64, 371,631.72 and 146,561.82

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Solution

The fourth proportional to 248,066.64, 371,631.72 and 146,561.82 is: 219,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,066.64 : 371,631.72 = 146,561.82 : x
  2. Step 2: Convert to fraction form
    248,066.64/371,631.72 = 146,561.82/x
  3. Step 3: Cross multiply
    248,066.64x = 371,631.72 × 146,561.82
  4. Step 4: Simplify right side
    248,066.64x = 54,467,021,252.93
  5. Step 5: Solve for x
    x = 54,467,021,252.93/248,066.64
  6. Step 6: Final answer
    x = 219,566.09

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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.