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Finding the Fourth Proportional to 148,384.70, 204,841.80 and 84,710.18

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Solution

The fourth proportional to 148,384.70, 204,841.80 and 84,710.18 is: 116,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,384.70 : 204,841.80 = 84,710.18 : x
  2. Step 2: Convert to fraction form
    148,384.70/204,841.80 = 84,710.18/x
  3. Step 3: Cross multiply
    148,384.70x = 204,841.80 × 84,710.18
  4. Step 4: Simplify right side
    148,384.70x = 17,352,185,749.52
  5. Step 5: Solve for x
    x = 17,352,185,749.52/148,384.70
  6. Step 6: Final answer
    x = 116,940.53

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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.