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Finding the Fourth Proportional to 75,703.68, 113,551.92 and 23,109.12

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Solution

The fourth proportional to 75,703.68, 113,551.92 and 23,109.12 is: 34,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,703.68 : 113,551.92 = 23,109.12 : x
  2. Step 2: Convert to fraction form
    75,703.68/113,551.92 = 23,109.12/x
  3. Step 3: Cross multiply
    75,703.68x = 113,551.92 × 23,109.12
  4. Step 4: Simplify right side
    75,703.68x = 2,624,084,945.51
  5. Step 5: Solve for x
    x = 2,624,084,945.51/75,703.68
  6. Step 6: Final answer
    x = 34,662.58

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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.