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Finding the Fourth Proportional to 93,897.95, 129,579.26 and 51,456.57

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Solution

The fourth proportional to 93,897.95, 129,579.26 and 51,456.57 is: 71,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,897.95 : 129,579.26 = 51,456.57 : x
  2. Step 2: Convert to fraction form
    93,897.95/129,579.26 = 51,456.57/x
  3. Step 3: Cross multiply
    93,897.95x = 129,579.26 × 51,456.57
  4. Step 4: Simplify right side
    93,897.95x = 6,667,704,005.46
  5. Step 5: Solve for x
    x = 6,667,704,005.46/93,897.95
  6. Step 6: Final answer
    x = 71,010.12

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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.