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Finding the Fourth Proportional to 125,563.60, 188,652.60 and 94,459.60

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Solution

The fourth proportional to 125,563.60, 188,652.60 and 94,459.60 is: 141,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,563.60 : 188,652.60 = 94,459.60 : x
  2. Step 2: Convert to fraction form
    125,563.60/188,652.60 = 94,459.60/x
  3. Step 3: Cross multiply
    125,563.60x = 188,652.60 × 94,459.60
  4. Step 4: Simplify right side
    125,563.60x = 17,820,049,134.96
  5. Step 5: Solve for x
    x = 17,820,049,134.96/125,563.60
  6. Step 6: Final answer
    x = 141,920.50

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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.