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Finding the Fourth Proportional to 109,350.80, 164,026.20 and 69,952.40

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Solution

The fourth proportional to 109,350.80, 164,026.20 and 69,952.40 is: 104,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,350.80 : 164,026.20 = 69,952.40 : x
  2. Step 2: Convert to fraction form
    109,350.80/164,026.20 = 69,952.40/x
  3. Step 3: Cross multiply
    109,350.80x = 164,026.20 × 69,952.40
  4. Step 4: Simplify right side
    109,350.80x = 11,474,026,352.88
  5. Step 5: Solve for x
    x = 11,474,026,352.88/109,350.80
  6. Step 6: Final answer
    x = 104,928.60

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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.