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Finding the Fourth Proportional to 118,877.19, 178,323.94 and 43,995.68

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Solution

The fourth proportional to 118,877.19, 178,323.94 and 43,995.68 is: 65,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877.19 : 178,323.94 = 43,995.68 : x
  2. Step 2: Convert to fraction form
    118,877.19/178,323.94 = 43,995.68/x
  3. Step 3: Cross multiply
    118,877.19x = 178,323.94 × 43,995.68
  4. Step 4: Simplify right side
    118,877.19x = 7,845,483,000.58
  5. Step 5: Solve for x
    x = 7,845,483,000.58/118,877.19
  6. Step 6: Final answer
    x = 65,996.54

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1.5x scale

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.