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Finding the Fourth Proportional to 93,058.29, 128,351.70 and 59,037.48

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Solution

The fourth proportional to 93,058.29, 128,351.70 and 59,037.48 is: 81,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,058.29 : 128,351.70 = 59,037.48 : x
  2. Step 2: Convert to fraction form
    93,058.29/128,351.70 = 59,037.48/x
  3. Step 3: Cross multiply
    93,058.29x = 128,351.70 × 59,037.48
  4. Step 4: Simplify right side
    93,058.29x = 7,577,560,921.72
  5. Step 5: Solve for x
    x = 7,577,560,921.72/93,058.29
  6. Step 6: Final answer
    x = 81,428.11

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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.