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Finding the Fourth Proportional to 74,073.51, 111,124.10 and 29,703.73

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Solution

The fourth proportional to 74,073.51, 111,124.10 and 29,703.73 is: 44,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,073.51 : 111,124.10 = 29,703.73 : x
  2. Step 2: Convert to fraction form
    74,073.51/111,124.10 = 29,703.73/x
  3. Step 3: Cross multiply
    74,073.51x = 111,124.10 × 29,703.73
  4. Step 4: Simplify right side
    74,073.51x = 3,300,800,114.37
  5. Step 5: Solve for x
    x = 3,300,800,114.37/74,073.51
  6. Step 6: Final answer
    x = 44,561.14

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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.