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Finding the Fourth Proportional to 93,954.96, 129,657.42 and 51,513.48

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Solution

The fourth proportional to 93,954.96, 129,657.42 and 51,513.48 is: 71,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,954.96 : 129,657.42 = 51,513.48 : x
  2. Step 2: Convert to fraction form
    93,954.96/129,657.42 = 51,513.48/x
  3. Step 3: Cross multiply
    93,954.96x = 129,657.42 × 51,513.48
  4. Step 4: Simplify right side
    93,954.96x = 6,679,104,912.02
  5. Step 5: Solve for x
    x = 6,679,104,912.02/93,954.96
  6. Step 6: Final answer
    x = 71,088.37

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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.