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Finding the Fourth Proportional to 181,297.80, 271,946.70 and 114,521.40

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Solution

The fourth proportional to 181,297.80, 271,946.70 and 114,521.40 is: 171,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,297.80 : 271,946.70 = 114,521.40 : x
  2. Step 2: Convert to fraction form
    181,297.80/271,946.70 = 114,521.40/x
  3. Step 3: Cross multiply
    181,297.80x = 271,946.70 × 114,521.40
  4. Step 4: Simplify right side
    181,297.80x = 31,143,716,809.38
  5. Step 5: Solve for x
    x = 31,143,716,809.38/181,297.80
  6. Step 6: Final answer
    x = 171,782.10

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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.