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Finding the Fourth Proportional to 259,553.66, 358,100.18 and 144,813.70

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Solution

The fourth proportional to 259,553.66, 358,100.18 and 144,813.70 is: 199,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,553.66 : 358,100.18 = 144,813.70 : x
  2. Step 2: Convert to fraction form
    259,553.66/358,100.18 = 144,813.70/x
  3. Step 3: Cross multiply
    259,553.66x = 358,100.18 × 144,813.70
  4. Step 4: Simplify right side
    259,553.66x = 51,857,812,036.47
  5. Step 5: Solve for x
    x = 51,857,812,036.47/259,553.66
  6. Step 6: Final answer
    x = 199,796.11

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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.