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Finding the Fourth Proportional to 144,428.97, 199,339.53 and 96,765.42

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Solution

The fourth proportional to 144,428.97, 199,339.53 and 96,765.42 is: 133,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,428.97 : 199,339.53 = 96,765.42 : x
  2. Step 2: Convert to fraction form
    144,428.97/199,339.53 = 96,765.42/x
  3. Step 3: Cross multiply
    144,428.97x = 199,339.53 × 96,765.42
  4. Step 4: Simplify right side
    144,428.97x = 19,289,173,343.05
  5. Step 5: Solve for x
    x = 19,289,173,343.05/144,428.97
  6. Step 6: Final answer
    x = 133,554.74

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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.