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Finding the Fourth Proportional to 195,409.80, 293,114.70 and 101,903.40

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Solution

The fourth proportional to 195,409.80, 293,114.70 and 101,903.40 is: 152,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,409.80 : 293,114.70 = 101,903.40 : x
  2. Step 2: Convert to fraction form
    195,409.80/293,114.70 = 101,903.40/x
  3. Step 3: Cross multiply
    195,409.80x = 293,114.70 × 101,903.40
  4. Step 4: Simplify right side
    195,409.80x = 29,869,384,519.98
  5. Step 5: Solve for x
    x = 29,869,384,519.98/195,409.80
  6. Step 6: Final answer
    x = 152,855.10

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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.