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Finding the Fourth Proportional to 93,294.54, 128,747.74 and 50,852.96

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Solution

The fourth proportional to 93,294.54, 128,747.74 and 50,852.96 is: 70,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.54 : 128,747.74 = 50,852.96 : x
  2. Step 2: Convert to fraction form
    93,294.54/128,747.74 = 50,852.96/x
  3. Step 3: Cross multiply
    93,294.54x = 128,747.74 × 50,852.96
  4. Step 4: Simplify right side
    93,294.54x = 6,547,203,672.31
  5. Step 5: Solve for x
    x = 6,547,203,672.31/93,294.54
  6. Step 6: Final answer
    x = 70,177.78

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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.