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Finding the Fourth Proportional to 118,318.50, 177,483.51 and 35,213.22

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Solution

The fourth proportional to 118,318.50, 177,483.51 and 35,213.22 is: 52,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,318.50 : 177,483.51 = 35,213.22 : x
  2. Step 2: Convert to fraction form
    118,318.50/177,483.51 = 35,213.22/x
  3. Step 3: Cross multiply
    118,318.50x = 177,483.51 × 35,213.22
  4. Step 4: Simplify right side
    118,318.50x = 6,249,765,884.00
  5. Step 5: Solve for x
    x = 6,249,765,884.00/118,318.50
  6. Step 6: Final answer
    x = 52,821.54

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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.