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Finding the Fourth Proportional to 93,475.84, 128,995.98 and 51,034.37

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Solution

The fourth proportional to 93,475.84, 128,995.98 and 51,034.37 is: 70,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,475.84 : 128,995.98 = 51,034.37 : x
  2. Step 2: Convert to fraction form
    93,475.84/128,995.98 = 51,034.37/x
  3. Step 3: Cross multiply
    93,475.84x = 128,995.98 × 51,034.37
  4. Step 4: Simplify right side
    93,475.84x = 6,583,227,926.85
  5. Step 5: Solve for x
    x = 6,583,227,926.85/93,475.84
  6. Step 6: Final answer
    x = 70,427.06

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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.