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Finding the Fourth Proportional to 171,247.80, 240,271.80 and 171,247.80

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Solution

The fourth proportional to 171,247.80, 240,271.80 and 171,247.80 is: 240,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,247.80 : 240,271.80 = 171,247.80 : x
  2. Step 2: Convert to fraction form
    171,247.80/240,271.80 = 171,247.80/x
  3. Step 3: Cross multiply
    171,247.80x = 240,271.80 × 171,247.80
  4. Step 4: Simplify right side
    171,247.80x = 41,146,017,152.04
  5. Step 5: Solve for x
    x = 41,146,017,152.04/171,247.80
  6. Step 6: Final answer
    x = 240,271.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.