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Finding the Fourth Proportional to 86,548, 119,436.36 and 46,804

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Solution

The fourth proportional to 86,548, 119,436.36 and 46,804 is: 64,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,548 : 119,436.36 = 46,804 : x
  2. Step 2: Convert to fraction form
    86,548/119,436.36 = 46,804/x
  3. Step 3: Cross multiply
    86,548x = 119,436.36 × 46,804
  4. Step 4: Simplify right side
    86,548x = 5,590,099,393.44
  5. Step 5: Solve for x
    x = 5,590,099,393.44/86,548
  6. Step 6: Final answer
    x = 64,589.58

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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.