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Finding the Fourth Proportional to 248,412.52, 342,816.42 and 135,237.16

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Solution

The fourth proportional to 248,412.52, 342,816.42 and 135,237.16 is: 186,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,412.52 : 342,816.42 = 135,237.16 : x
  2. Step 2: Convert to fraction form
    248,412.52/342,816.42 = 135,237.16/x
  3. Step 3: Cross multiply
    248,412.52x = 342,816.42 × 135,237.16
  4. Step 4: Simplify right side
    248,412.52x = 46,361,519,042.17
  5. Step 5: Solve for x
    x = 46,361,519,042.17/248,412.52
  6. Step 6: Final answer
    x = 186,631.17

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