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Finding the Fourth Proportional to 70,443.32, 105,669.16 and 23,063.32

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Solution

The fourth proportional to 70,443.32, 105,669.16 and 23,063.32 is: 34,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,443.32 : 105,669.16 = 23,063.32 : x
  2. Step 2: Convert to fraction form
    70,443.32/105,669.16 = 23,063.32/x
  3. Step 3: Cross multiply
    70,443.32x = 105,669.16 × 23,063.32
  4. Step 4: Simplify right side
    70,443.32x = 2,437,081,651.21
  5. Step 5: Solve for x
    x = 2,437,081,651.21/70,443.32
  6. Step 6: Final answer
    x = 34,596.35

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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.