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Finding the Fourth Proportional to 220,043.80, 330,065.70 and 93,651.40

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Solution

The fourth proportional to 220,043.80, 330,065.70 and 93,651.40 is: 140,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,043.80 : 330,065.70 = 93,651.40 : x
  2. Step 2: Convert to fraction form
    220,043.80/330,065.70 = 93,651.40/x
  3. Step 3: Cross multiply
    220,043.80x = 330,065.70 × 93,651.40
  4. Step 4: Simplify right side
    220,043.80x = 30,911,114,896.98
  5. Step 5: Solve for x
    x = 30,911,114,896.98/220,043.80
  6. Step 6: Final answer
    x = 140,477.10

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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.