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Finding the Fourth Proportional to 356,114.40, 534,171.60 and 106,796.40

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Solution

The fourth proportional to 356,114.40, 534,171.60 and 106,796.40 is: 160,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,114.40 : 534,171.60 = 106,796.40 : x
  2. Step 2: Convert to fraction form
    356,114.40/534,171.60 = 106,796.40/x
  3. Step 3: Cross multiply
    356,114.40x = 534,171.60 × 106,796.40
  4. Step 4: Simplify right side
    356,114.40x = 57,047,603,862.24
  5. Step 5: Solve for x
    x = 57,047,603,862.24/356,114.40
  6. Step 6: Final answer
    x = 160,194.60

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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.