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Finding the Fourth Proportional to 178,039.40, 266,627.10 and 94,749.80

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Solution

The fourth proportional to 178,039.40, 266,627.10 and 94,749.80 is: 141,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,039.40 : 266,627.10 = 94,749.80 : x
  2. Step 2: Convert to fraction form
    178,039.40/266,627.10 = 94,749.80/x
  3. Step 3: Cross multiply
    178,039.40x = 266,627.10 × 94,749.80
  4. Step 4: Simplify right side
    178,039.40x = 25,262,864,399.58
  5. Step 5: Solve for x
    x = 25,262,864,399.58/178,039.40
  6. Step 6: Final answer
    x = 141,894.80

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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.