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Finding the Fourth Proportional to 331,130.60, 496,715.10 and 94,490.60

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Solution

The fourth proportional to 331,130.60, 496,715.10 and 94,490.60 is: 141,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,130.60 : 496,715.10 = 94,490.60 : x
  2. Step 2: Convert to fraction form
    331,130.60/496,715.10 = 94,490.60/x
  3. Step 3: Cross multiply
    331,130.60x = 496,715.10 × 94,490.60
  4. Step 4: Simplify right side
    331,130.60x = 46,934,907,828.06
  5. Step 5: Solve for x
    x = 46,934,907,828.06/331,130.60
  6. Step 6: Final answer
    x = 141,741.38

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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.