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Finding the Fourth Proportional to 73,703.20, 110,569.20 and 29,322.40

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Solution

The fourth proportional to 73,703.20, 110,569.20 and 29,322.40 is: 43,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,703.20 : 110,569.20 = 29,322.40 : x
  2. Step 2: Convert to fraction form
    73,703.20/110,569.20 = 29,322.40/x
  3. Step 3: Cross multiply
    73,703.20x = 110,569.20 × 29,322.40
  4. Step 4: Simplify right side
    73,703.20x = 3,242,154,310.08
  5. Step 5: Solve for x
    x = 3,242,154,310.08/73,703.20
  6. Step 6: Final answer
    x = 43,989.33

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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.