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Finding the Fourth Proportional to 258,034.68, 356,068.20 and 144,835.56

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Solution

The fourth proportional to 258,034.68, 356,068.20 and 144,835.56 is: 199,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,034.68 : 356,068.20 = 144,835.56 : x
  2. Step 2: Convert to fraction form
    258,034.68/356,068.20 = 144,835.56/x
  3. Step 3: Cross multiply
    258,034.68x = 356,068.20 × 144,835.56
  4. Step 4: Simplify right side
    258,034.68x = 51,571,337,145.19
  5. Step 5: Solve for x
    x = 51,571,337,145.19/258,034.68
  6. Step 6: Final answer
    x = 199,862.04

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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.