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Finding the Fourth Proportional to 208,673.70, 312,897.27 and 94,758.96

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Solution

The fourth proportional to 208,673.70, 312,897.27 and 94,758.96 is: 142,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,673.70 : 312,897.27 = 94,758.96 : x
  2. Step 2: Convert to fraction form
    208,673.70/312,897.27 = 94,758.96/x
  3. Step 3: Cross multiply
    208,673.70x = 312,897.27 × 94,758.96
  4. Step 4: Simplify right side
    208,673.70x = 29,649,819,892.04
  5. Step 5: Solve for x
    x = 29,649,819,892.04/208,673.70
  6. Step 6: Final answer
    x = 142,087.00

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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.