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Finding the Fourth Proportional to 163,457.80, 244,729.89 and 88,308.70

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Solution

The fourth proportional to 163,457.80, 244,729.89 and 88,308.70 is: 132,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,457.80 : 244,729.89 = 88,308.70 : x
  2. Step 2: Convert to fraction form
    163,457.80/244,729.89 = 88,308.70/x
  3. Step 3: Cross multiply
    163,457.80x = 244,729.89 × 88,308.70
  4. Step 4: Simplify right side
    163,457.80x = 21,611,777,995.50
  5. Step 5: Solve for x
    x = 21,611,777,995.50/163,457.80
  6. Step 6: Final answer
    x = 132,216.25

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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.