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Finding the Fourth Proportional to 108,342.63, 149,544.90 and 63,041.09

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Solution

The fourth proportional to 108,342.63, 149,544.90 and 63,041.09 is: 87,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,342.63 : 149,544.90 = 63,041.09 : x
  2. Step 2: Convert to fraction form
    108,342.63/149,544.90 = 63,041.09/x
  3. Step 3: Cross multiply
    108,342.63x = 149,544.90 × 63,041.09
  4. Step 4: Simplify right side
    108,342.63x = 9,427,472,752.22
  5. Step 5: Solve for x
    x = 9,427,472,752.22/108,342.63
  6. Step 6: Final answer
    x = 87,015.36

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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.