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Finding the Fourth Proportional to 74,933.03, 112,302.65 and 56,065.03

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Solution

The fourth proportional to 74,933.03, 112,302.65 and 56,065.03 is: 84,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.03 : 112,302.65 = 56,065.03 : x
  2. Step 2: Convert to fraction form
    74,933.03/112,302.65 = 56,065.03/x
  3. Step 3: Cross multiply
    74,933.03x = 112,302.65 × 56,065.03
  4. Step 4: Simplify right side
    74,933.03x = 6,296,250,880.25
  5. Step 5: Solve for x
    x = 6,296,250,880.25/74,933.03
  6. Step 6: Final answer
    x = 84,025.05

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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.