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Finding the Fourth Proportional to 245,045.96, 367,619.94 and 76,559.48

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Solution

The fourth proportional to 245,045.96, 367,619.94 and 76,559.48 is: 114,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,045.96 : 367,619.94 = 76,559.48 : x
  2. Step 2: Convert to fraction form
    245,045.96/367,619.94 = 76,559.48/x
  3. Step 3: Cross multiply
    245,045.96x = 367,619.94 × 76,559.48
  4. Step 4: Simplify right side
    245,045.96x = 28,144,791,444.03
  5. Step 5: Solve for x
    x = 28,144,791,444.03/245,045.96
  6. Step 6: Final answer
    x = 114,855.15

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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.