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Finding the Fourth Proportional to 124,198.94, 171,384.74 and 70,483.95

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Solution

The fourth proportional to 124,198.94, 171,384.74 and 70,483.95 is: 97,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,198.94 : 171,384.74 = 70,483.95 : x
  2. Step 2: Convert to fraction form
    124,198.94/171,384.74 = 70,483.95/x
  3. Step 3: Cross multiply
    124,198.94x = 171,384.74 × 70,483.95
  4. Step 4: Simplify right side
    124,198.94x = 12,079,873,092.50
  5. Step 5: Solve for x
    x = 12,079,873,092.50/124,198.94
  6. Step 6: Final answer
    x = 97,262.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.