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Finding the Fourth Proportional to 108,858.80, 163,294.28 and 33,989.28

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Solution

The fourth proportional to 108,858.80, 163,294.28 and 33,989.28 is: 50,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.80 : 163,294.28 = 33,989.28 : x
  2. Step 2: Convert to fraction form
    108,858.80/163,294.28 = 33,989.28/x
  3. Step 3: Cross multiply
    108,858.80x = 163,294.28 × 33,989.28
  4. Step 4: Simplify right side
    108,858.80x = 5,550,254,835.37
  5. Step 5: Solve for x
    x = 5,550,254,835.37/108,858.80
  6. Step 6: Final answer
    x = 50,985.82

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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.