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Finding the Fourth Proportional to 75,127.96, 103,683.54 and 41,593.96

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Solution

The fourth proportional to 75,127.96, 103,683.54 and 41,593.96 is: 57,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.96 : 103,683.54 = 41,593.96 : x
  2. Step 2: Convert to fraction form
    75,127.96/103,683.54 = 41,593.96/x
  3. Step 3: Cross multiply
    75,127.96x = 103,683.54 × 41,593.96
  4. Step 4: Simplify right side
    75,127.96x = 4,312,609,015.42
  5. Step 5: Solve for x
    x = 4,312,609,015.42/75,127.96
  6. Step 6: Final answer
    x = 57,403.52

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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.