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Finding the Fourth Proportional to 242,173.70, 363,485.00 and 122,314.82

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Solution

The fourth proportional to 242,173.70, 363,485.00 and 122,314.82 is: 183,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,173.70 : 363,485.00 = 122,314.82 : x
  2. Step 2: Convert to fraction form
    242,173.70/363,485.00 = 122,314.82/x
  3. Step 3: Cross multiply
    242,173.70x = 363,485.00 × 122,314.82
  4. Step 4: Simplify right side
    242,173.70x = 44,459,603,562.20
  5. Step 5: Solve for x
    x = 44,459,603,562.20/242,173.70
  6. Step 6: Final answer
    x = 183,585.60

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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.