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Finding the Fourth Proportional to 88,971.75, 133,457.63 and 26,642.25

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Solution

The fourth proportional to 88,971.75, 133,457.63 and 26,642.25 is: 39,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,971.75 : 133,457.63 = 26,642.25 : x
  2. Step 2: Convert to fraction form
    88,971.75/133,457.63 = 26,642.25/x
  3. Step 3: Cross multiply
    88,971.75x = 133,457.63 × 26,642.25
  4. Step 4: Simplify right side
    88,971.75x = 3,555,611,409.66
  5. Step 5: Solve for x
    x = 3,555,611,409.66/88,971.75
  6. Step 6: Final answer
    x = 39,963.38

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1.5x scale

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.