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Finding the Fourth Proportional to 108,448.60, 149,662.26 and 60,701.80

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Solution

The fourth proportional to 108,448.60, 149,662.26 and 60,701.80 is: 83,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,448.60 : 149,662.26 = 60,701.80 : x
  2. Step 2: Convert to fraction form
    108,448.60/149,662.26 = 60,701.80/x
  3. Step 3: Cross multiply
    108,448.60x = 149,662.26 × 60,701.80
  4. Step 4: Simplify right side
    108,448.60x = 9,084,768,574.07
  5. Step 5: Solve for x
    x = 9,084,768,574.07/108,448.60
  6. Step 6: Final answer
    x = 83,770.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.