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Finding the Fourth Proportional to 195,655.20, 293,482.80 and 116,728.80

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Solution

The fourth proportional to 195,655.20, 293,482.80 and 116,728.80 is: 175,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,655.20 : 293,482.80 = 116,728.80 : x
  2. Step 2: Convert to fraction form
    195,655.20/293,482.80 = 116,728.80/x
  3. Step 3: Cross multiply
    195,655.20x = 293,482.80 × 116,728.80
  4. Step 4: Simplify right side
    195,655.20x = 34,257,895,064.64
  5. Step 5: Solve for x
    x = 34,257,895,064.64/195,655.20
  6. Step 6: Final answer
    x = 175,093.20

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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.