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Finding the Fourth Proportional to 75,025.54, 103,486.44 and 48,125.44

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Solution

The fourth proportional to 75,025.54, 103,486.44 and 48,125.44 is: 66,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,025.54 : 103,486.44 = 48,125.44 : x
  2. Step 2: Convert to fraction form
    75,025.54/103,486.44 = 48,125.44/x
  3. Step 3: Cross multiply
    75,025.54x = 103,486.44 × 48,125.44
  4. Step 4: Simplify right side
    75,025.54x = 4,980,330,459.03
  5. Step 5: Solve for x
    x = 4,980,330,459.03/75,025.54
  6. Step 6: Final answer
    x = 66,381.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.