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Finding the Fourth Proportional to 341,242.48, 511,894.44 and 91,918.96

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Solution

The fourth proportional to 341,242.48, 511,894.44 and 91,918.96 is: 137,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,242.48 : 511,894.44 = 91,918.96 : x
  2. Step 2: Convert to fraction form
    341,242.48/511,894.44 = 91,918.96/x
  3. Step 3: Cross multiply
    341,242.48x = 511,894.44 × 91,918.96
  4. Step 4: Simplify right side
    341,242.48x = 47,052,804,554.58
  5. Step 5: Solve for x
    x = 47,052,804,554.58/341,242.48
  6. Step 6: Final answer
    x = 137,886.71

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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.