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Finding the Fourth Proportional to 245,750.83, 368,675.43 and 77,313.52

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Solution

The fourth proportional to 245,750.83, 368,675.43 and 77,313.52 is: 115,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,750.83 : 368,675.43 = 77,313.52 : x
  2. Step 2: Convert to fraction form
    245,750.83/368,675.43 = 77,313.52/x
  3. Step 3: Cross multiply
    245,750.83x = 368,675.43 × 77,313.52
  4. Step 4: Simplify right side
    245,750.83x = 28,503,595,230.81
  5. Step 5: Solve for x
    x = 28,503,595,230.81/245,750.83
  6. Step 6: Final answer
    x = 115,985.75

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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.