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Finding the Fourth Proportional to 118,452.39, 177,678.77 and 35,346.39

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Solution

The fourth proportional to 118,452.39, 177,678.77 and 35,346.39 is: 53,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,452.39 : 177,678.77 = 35,346.39 : x
  2. Step 2: Convert to fraction form
    118,452.39/177,678.77 = 35,346.39/x
  3. Step 3: Cross multiply
    118,452.39x = 177,678.77 × 35,346.39
  4. Step 4: Simplify right side
    118,452.39x = 6,280,302,922.41
  5. Step 5: Solve for x
    x = 6,280,302,922.41/118,452.39
  6. Step 6: Final answer
    x = 53,019.64

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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.