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Finding the Fourth Proportional to 93,969.98, 129,678.41 and 51,531.25

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Solution

The fourth proportional to 93,969.98, 129,678.41 and 51,531.25 is: 71,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,969.98 : 129,678.41 = 51,531.25 : x
  2. Step 2: Convert to fraction form
    93,969.98/129,678.41 = 51,531.25/x
  3. Step 3: Cross multiply
    93,969.98x = 129,678.41 × 51,531.25
  4. Step 4: Simplify right side
    93,969.98x = 6,682,489,659.26
  5. Step 5: Solve for x
    x = 6,682,489,659.26/93,969.98
  6. Step 6: Final answer
    x = 71,113.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.