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Finding the Fourth Proportional to 163,852.25, 245,873.90 and 69,076.63

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Solution

The fourth proportional to 163,852.25, 245,873.90 and 69,076.63 is: 103,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,852.25 : 245,873.90 = 69,076.63 : x
  2. Step 2: Convert to fraction form
    163,852.25/245,873.90 = 69,076.63/x
  3. Step 3: Cross multiply
    163,852.25x = 245,873.90 × 69,076.63
  4. Step 4: Simplify right side
    163,852.25x = 16,984,140,896.99
  5. Step 5: Solve for x
    x = 16,984,140,896.99/163,852.25
  6. Step 6: Final answer
    x = 103,655.22

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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.