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Finding the Fourth Proportional to 123,892.60, 184,902.64 and 111,935.20

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Solution

The fourth proportional to 123,892.60, 184,902.64 and 111,935.20 is: 167,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,892.60 : 184,902.64 = 111,935.20 : x
  2. Step 2: Convert to fraction form
    123,892.60/184,902.64 = 111,935.20/x
  3. Step 3: Cross multiply
    123,892.60x = 184,902.64 × 111,935.20
  4. Step 4: Simplify right side
    123,892.60x = 20,697,113,988.93
  5. Step 5: Solve for x
    x = 20,697,113,988.93/123,892.60
  6. Step 6: Final answer
    x = 167,056.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.