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Finding the Fourth Proportional to 148,043.49, 204,319.49 and 84,366.69

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Solution

The fourth proportional to 148,043.49, 204,319.49 and 84,366.69 is: 116,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,043.49 : 204,319.49 = 84,366.69 : x
  2. Step 2: Convert to fraction form
    148,043.49/204,319.49 = 84,366.69/x
  3. Step 3: Cross multiply
    148,043.49x = 204,319.49 × 84,366.69
  4. Step 4: Simplify right side
    148,043.49x = 17,237,758,651.95
  5. Step 5: Solve for x
    x = 17,237,758,651.95/148,043.49
  6. Step 6: Final answer
    x = 116,437.13

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1.5x scale

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.