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Finding the Fourth Proportional to 75,465.50, 104,038.34 and 60,203.84

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Solution

The fourth proportional to 75,465.50, 104,038.34 and 60,203.84 is: 82,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.50 : 104,038.34 = 60,203.84 : x
  2. Step 2: Convert to fraction form
    75,465.50/104,038.34 = 60,203.84/x
  3. Step 3: Cross multiply
    75,465.50x = 104,038.34 × 60,203.84
  4. Step 4: Simplify right side
    75,465.50x = 6,263,507,575.23
  5. Step 5: Solve for x
    x = 6,263,507,575.23/75,465.50
  6. Step 6: Final answer
    x = 82,998.29

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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.