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Finding the Fourth Proportional to 240,485.16, 360,724.08 and 82,714.98

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Solution

The fourth proportional to 240,485.16, 360,724.08 and 82,714.98 is: 124,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,485.16 : 360,724.08 = 82,714.98 : x
  2. Step 2: Convert to fraction form
    240,485.16/360,724.08 = 82,714.98/x
  3. Step 3: Cross multiply
    240,485.16x = 360,724.08 × 82,714.98
  4. Step 4: Simplify right side
    240,485.16x = 29,837,285,062.72
  5. Step 5: Solve for x
    x = 29,837,285,062.72/240,485.16
  6. Step 6: Final answer
    x = 124,071.21

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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.