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Finding the Fourth Proportional to 118,877.60, 178,447.62 and 94,077.02

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Solution

The fourth proportional to 118,877.60, 178,447.62 and 94,077.02 is: 141,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877.60 : 178,447.62 = 94,077.02 : x
  2. Step 2: Convert to fraction form
    118,877.60/178,447.62 = 94,077.02/x
  3. Step 3: Cross multiply
    118,877.60x = 178,447.62 × 94,077.02
  4. Step 4: Simplify right side
    118,877.60x = 16,787,820,315.69
  5. Step 5: Solve for x
    x = 16,787,820,315.69/118,877.60
  6. Step 6: Final answer
    x = 141,219.37

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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.