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Finding the Fourth Proportional to 556,745.90, 835,111.55 and 136,025.42

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Solution

The fourth proportional to 556,745.90, 835,111.55 and 136,025.42 is: 204,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,745.90 : 835,111.55 = 136,025.42 : x
  2. Step 2: Convert to fraction form
    556,745.90/835,111.55 = 136,025.42/x
  3. Step 3: Cross multiply
    556,745.90x = 835,111.55 × 136,025.42
  4. Step 4: Simplify right side
    556,745.90x = 113,596,395,500.11
  5. Step 5: Solve for x
    x = 113,596,395,500.11/556,745.90
  6. Step 6: Final answer
    x = 204,036.34

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