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Finding the Fourth Proportional to 144,494.60, 216,741.90 and 45,998.60

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Solution

The fourth proportional to 144,494.60, 216,741.90 and 45,998.60 is: 68,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,494.60 : 216,741.90 = 45,998.60 : x
  2. Step 2: Convert to fraction form
    144,494.60/216,741.90 = 45,998.60/x
  3. Step 3: Cross multiply
    144,494.60x = 216,741.90 × 45,998.60
  4. Step 4: Simplify right side
    144,494.60x = 9,969,823,961.34
  5. Step 5: Solve for x
    x = 9,969,823,961.34/144,494.60
  6. Step 6: Final answer
    x = 68,997.90

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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.