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Finding the Fourth Proportional to 195,307.61, 292,960.56 and 82,970.60

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Solution

The fourth proportional to 195,307.61, 292,960.56 and 82,970.60 is: 124,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,307.61 : 292,960.56 = 82,970.60 : x
  2. Step 2: Convert to fraction form
    195,307.61/292,960.56 = 82,970.60/x
  3. Step 3: Cross multiply
    195,307.61x = 292,960.56 × 82,970.60
  4. Step 4: Simplify right side
    195,307.61x = 24,307,113,439.54
  5. Step 5: Solve for x
    x = 24,307,113,439.54/195,307.61
  6. Step 6: Final answer
    x = 124,455.54

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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.