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Finding the Fourth Proportional to 164,825.42, 248,473.48 and 153,839.72

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Solution

The fourth proportional to 164,825.42, 248,473.48 and 153,839.72 is: 231,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,825.42 : 248,473.48 = 153,839.72 : x
  2. Step 2: Convert to fraction form
    164,825.42/248,473.48 = 153,839.72/x
  3. Step 3: Cross multiply
    164,825.42x = 248,473.48 × 153,839.72
  4. Step 4: Simplify right side
    164,825.42x = 38,225,090,590.63
  5. Step 5: Solve for x
    x = 38,225,090,590.63/164,825.42
  6. Step 6: Final answer
    x = 231,912.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.