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Finding the Fourth Proportional to 122,934,115.60, 184,401,173.40 and 115,879,728.40

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Solution

The fourth proportional to 122,934,115.60, 184,401,173.40 and 115,879,728.40 is: 173,819,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,934,115.60 : 184,401,173.40 = 115,879,728.40 : x
  2. Step 2: Convert to fraction form
    122,934,115.60/184,401,173.40 = 115,879,728.40/x
  3. Step 3: Cross multiply
    122,934,115.60x = 184,401,173.40 × 115,879,728.40
  4. Step 4: Simplify right side
    122,934,115.60x = 21,368,357,890,233,308
  5. Step 5: Solve for x
    x = 21,368,357,890,233,308/122,934,115.60
  6. Step 6: Final answer
    x = 173,819,592.60

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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.