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Finding the Fourth Proportional to 213,862.55, 295,080.17 and 146,020.79

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Solution

The fourth proportional to 213,862.55, 295,080.17 and 146,020.79 is: 201,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,862.55 : 295,080.17 = 146,020.79 : x
  2. Step 2: Convert to fraction form
    213,862.55/295,080.17 = 146,020.79/x
  3. Step 3: Cross multiply
    213,862.55x = 295,080.17 × 146,020.79
  4. Step 4: Simplify right side
    213,862.55x = 43,087,839,544.33
  5. Step 5: Solve for x
    x = 43,087,839,544.33/213,862.55
  6. Step 6: Final answer
    x = 201,474.45

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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.