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Finding the Fourth Proportional to 255,700.54, 383,663.91 and 134,092.02

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Solution

The fourth proportional to 255,700.54, 383,663.91 and 134,092.02 is: 201,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,700.54 : 383,663.91 = 134,092.02 : x
  2. Step 2: Convert to fraction form
    255,700.54/383,663.91 = 134,092.02/x
  3. Step 3: Cross multiply
    255,700.54x = 383,663.91 × 134,092.02
  4. Step 4: Simplify right side
    255,700.54x = 51,446,268,574.03
  5. Step 5: Solve for x
    x = 51,446,268,574.03/255,700.54
  6. Step 6: Final answer
    x = 201,197.34

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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.