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Finding the Fourth Proportional to 118,513.75, 177,770.64 and 35,407.75

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Solution

The fourth proportional to 118,513.75, 177,770.64 and 35,407.75 is: 53,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,513.75 : 177,770.64 = 35,407.75 : x
  2. Step 2: Convert to fraction form
    118,513.75/177,770.64 = 35,407.75/x
  3. Step 3: Cross multiply
    118,513.75x = 177,770.64 × 35,407.75
  4. Step 4: Simplify right side
    118,513.75x = 6,294,458,378.46
  5. Step 5: Solve for x
    x = 6,294,458,378.46/118,513.75
  6. Step 6: Final answer
    x = 53,111.63

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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.