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Finding the Fourth Proportional to 93,843.60, 129,504.60 and 51,402

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Solution

The fourth proportional to 93,843.60, 129,504.60 and 51,402 is: 70,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,843.60 : 129,504.60 = 51,402 : x
  2. Step 2: Convert to fraction form
    93,843.60/129,504.60 = 51,402/x
  3. Step 3: Cross multiply
    93,843.60x = 129,504.60 × 51,402
  4. Step 4: Simplify right side
    93,843.60x = 6,656,795,449.20
  5. Step 5: Solve for x
    x = 6,656,795,449.20/93,843.60
  6. Step 6: Final answer
    x = 70,935.00

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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.