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Finding the Fourth Proportional to 331,138.99, 496,792.32 and 94,482.51

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Solution

The fourth proportional to 331,138.99, 496,792.32 and 94,482.51 is: 141,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,138.99 : 496,792.32 = 94,482.51 : x
  2. Step 2: Convert to fraction form
    331,138.99/496,792.32 = 94,482.51/x
  3. Step 3: Cross multiply
    331,138.99x = 496,792.32 × 94,482.51
  4. Step 4: Simplify right side
    331,138.99x = 46,938,185,342.32
  5. Step 5: Solve for x
    x = 46,938,185,342.32/331,138.99
  6. Step 6: Final answer
    x = 141,747.69

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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.