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Finding the Fourth Proportional to 370,833.06, 555,919.79 and 134,123.12

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Solution

The fourth proportional to 370,833.06, 555,919.79 and 134,123.12 is: 201,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,833.06 : 555,919.79 = 134,123.12 : x
  2. Step 2: Convert to fraction form
    370,833.06/555,919.79 = 134,123.12/x
  3. Step 3: Cross multiply
    370,833.06x = 555,919.79 × 134,123.12
  4. Step 4: Simplify right side
    370,833.06x = 74,561,693,254.33
  5. Step 5: Solve for x
    x = 74,561,693,254.33/370,833.06
  6. Step 6: Final answer
    x = 201,065.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.