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Finding the Fourth Proportional to 240,464.66, 360,647.76 and 82,705.40

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Solution

The fourth proportional to 240,464.66, 360,647.76 and 82,705.40 is: 124,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,464.66 : 360,647.76 = 82,705.40 : x
  2. Step 2: Convert to fraction form
    240,464.66/360,647.76 = 82,705.40/x
  3. Step 3: Cross multiply
    240,464.66x = 360,647.76 × 82,705.40
  4. Step 4: Simplify right side
    240,464.66x = 29,827,517,249.90
  5. Step 5: Solve for x
    x = 29,827,517,249.90/240,464.66
  6. Step 6: Final answer
    x = 124,041.17

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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.