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Finding the Fourth Proportional to 70,688.45, 106,029.95 and 23,941.32

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Solution

The fourth proportional to 70,688.45, 106,029.95 and 23,941.32 is: 35,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.45 : 106,029.95 = 23,941.32 : x
  2. Step 2: Convert to fraction form
    70,688.45/106,029.95 = 23,941.32/x
  3. Step 3: Cross multiply
    70,688.45x = 106,029.95 × 23,941.32
  4. Step 4: Simplify right side
    70,688.45x = 2,538,496,842.83
  5. Step 5: Solve for x
    x = 2,538,496,842.83/70,688.45
  6. Step 6: Final answer
    x = 35,911.06

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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.