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Finding the Fourth Proportional to 93,892.78, 129,575.19 and 51,450.94

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Solution

The fourth proportional to 93,892.78, 129,575.19 and 51,450.94 is: 71,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,892.78 : 129,575.19 = 51,450.94 : x
  2. Step 2: Convert to fraction form
    93,892.78/129,575.19 = 51,450.94/x
  3. Step 3: Cross multiply
    93,892.78x = 129,575.19 × 51,450.94
  4. Step 4: Simplify right side
    93,892.78x = 6,666,765,326.18
  5. Step 5: Solve for x
    x = 6,666,765,326.18/93,892.78
  6. Step 6: Final answer
    x = 71,004.03

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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.