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Finding the Fourth Proportional to 70,368.53, 105,553.72 and 22,983.26

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Solution

The fourth proportional to 70,368.53, 105,553.72 and 22,983.26 is: 34,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.53 : 105,553.72 = 22,983.26 : x
  2. Step 2: Convert to fraction form
    70,368.53/105,553.72 = 22,983.26/x
  3. Step 3: Cross multiply
    70,368.53x = 105,553.72 × 22,983.26
  4. Step 4: Simplify right side
    70,368.53x = 2,425,968,590.73
  5. Step 5: Solve for x
    x = 2,425,968,590.73/70,368.53
  6. Step 6: Final answer
    x = 34,475.19

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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.