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Finding the Fourth Proportional to 93,968.01, 129,672.43 and 51,525.63

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Solution

The fourth proportional to 93,968.01, 129,672.43 and 51,525.63 is: 71,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,968.01 : 129,672.43 = 51,525.63 : x
  2. Step 2: Convert to fraction form
    93,968.01/129,672.43 = 51,525.63/x
  3. Step 3: Cross multiply
    93,968.01x = 129,672.43 × 51,525.63
  4. Step 4: Simplify right side
    93,968.01x = 6,681,453,520.57
  5. Step 5: Solve for x
    x = 6,681,453,520.57/93,968.01
  6. Step 6: Final answer
    x = 71,103.49

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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.