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Finding the Fourth Proportional to 245,829.34, 368,683.25 and 68,327.56

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Solution

The fourth proportional to 245,829.34, 368,683.25 and 68,327.56 is: 102,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,829.34 : 368,683.25 = 68,327.56 : x
  2. Step 2: Convert to fraction form
    245,829.34/368,683.25 = 68,327.56/x
  3. Step 3: Cross multiply
    245,829.34x = 368,683.25 × 68,327.56
  4. Step 4: Simplify right side
    245,829.34x = 25,191,225,041.95
  5. Step 5: Solve for x
    x = 25,191,225,041.95/245,829.34
  6. Step 6: Final answer
    x = 102,474.45

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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.