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Finding the Fourth Proportional to 245,038.95, 367,609.44 and 76,552.47

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Solution

The fourth proportional to 245,038.95, 367,609.44 and 76,552.47 is: 114,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,038.95 : 367,609.44 = 76,552.47 : x
  2. Step 2: Convert to fraction form
    245,038.95/367,609.44 = 76,552.47/x
  3. Step 3: Cross multiply
    245,038.95x = 367,609.44 × 76,552.47
  4. Step 4: Simplify right side
    245,038.95x = 28,141,410,627.32
  5. Step 5: Solve for x
    x = 28,141,410,627.32/245,038.95
  6. Step 6: Final answer
    x = 114,844.64

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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.