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Finding the Fourth Proportional to 93,278.94, 128,725.37 and 52,994.91

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Solution

The fourth proportional to 93,278.94, 128,725.37 and 52,994.91 is: 73,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.94 : 128,725.37 = 52,994.91 : x
  2. Step 2: Convert to fraction form
    93,278.94/128,725.37 = 52,994.91/x
  3. Step 3: Cross multiply
    93,278.94x = 128,725.37 × 52,994.91
  4. Step 4: Simplify right side
    93,278.94x = 6,821,789,132.89
  5. Step 5: Solve for x
    x = 6,821,789,132.89/93,278.94
  6. Step 6: Final answer
    x = 73,133.22

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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.