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Finding the Fourth Proportional to 475,036.08, 712,488.24 and 120,028.24

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Solution

The fourth proportional to 475,036.08, 712,488.24 and 120,028.24 is: 180,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,036.08 : 712,488.24 = 120,028.24 : x
  2. Step 2: Convert to fraction form
    475,036.08/712,488.24 = 120,028.24/x
  3. Step 3: Cross multiply
    475,036.08x = 712,488.24 × 120,028.24
  4. Step 4: Simplify right side
    475,036.08x = 85,518,709,467.90
  5. Step 5: Solve for x
    x = 85,518,709,467.90/475,036.08
  6. Step 6: Final answer
    x = 180,025.71

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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.