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Finding the Fourth Proportional to 153,782.78, 230,563.44 and 94,495.95

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Solution

The fourth proportional to 153,782.78, 230,563.44 and 94,495.95 is: 141,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,782.78 : 230,563.44 = 94,495.95 : x
  2. Step 2: Convert to fraction form
    153,782.78/230,563.44 = 94,495.95/x
  3. Step 3: Cross multiply
    153,782.78x = 230,563.44 × 94,495.95
  4. Step 4: Simplify right side
    153,782.78x = 21,787,311,298.07
  5. Step 5: Solve for x
    x = 21,787,311,298.07/153,782.78
  6. Step 6: Final answer
    x = 141,675.89

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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.