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Finding the Fourth Proportional to 269,482.60, 404,223.90 and 91,995.40

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Solution

The fourth proportional to 269,482.60, 404,223.90 and 91,995.40 is: 137,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,482.60 : 404,223.90 = 91,995.40 : x
  2. Step 2: Convert to fraction form
    269,482.60/404,223.90 = 91,995.40/x
  3. Step 3: Cross multiply
    269,482.60x = 404,223.90 × 91,995.40
  4. Step 4: Simplify right side
    269,482.60x = 37,186,739,370.06
  5. Step 5: Solve for x
    x = 37,186,739,370.06/269,482.60
  6. Step 6: Final answer
    x = 137,993.10

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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.