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Finding the Fourth Proportional to 123,065.70, 184,598.55 and 69,921.60

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Solution

The fourth proportional to 123,065.70, 184,598.55 and 69,921.60 is: 104,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,065.70 : 184,598.55 = 69,921.60 : x
  2. Step 2: Convert to fraction form
    123,065.70/184,598.55 = 69,921.60/x
  3. Step 3: Cross multiply
    123,065.70x = 184,598.55 × 69,921.60
  4. Step 4: Simplify right side
    123,065.70x = 12,907,425,973.68
  5. Step 5: Solve for x
    x = 12,907,425,973.68/123,065.70
  6. Step 6: Final answer
    x = 104,882.40

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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.