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Finding the Fourth Proportional to 316,098.66, 436,211.96 and 180,140.70

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Solution

The fourth proportional to 316,098.66, 436,211.96 and 180,140.70 is: 248,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,098.66 : 436,211.96 = 180,140.70 : x
  2. Step 2: Convert to fraction form
    316,098.66/436,211.96 = 180,140.70/x
  3. Step 3: Cross multiply
    316,098.66x = 436,211.96 × 180,140.70
  4. Step 4: Simplify right side
    316,098.66x = 78,579,526,922.07
  5. Step 5: Solve for x
    x = 78,579,526,922.07/316,098.66
  6. Step 6: Final answer
    x = 248,591.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.