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Finding the Fourth Proportional to 127,908.96, 176,511.96 and 70,553.67

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Solution

The fourth proportional to 127,908.96, 176,511.96 and 70,553.67 is: 97,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,908.96 : 176,511.96 = 70,553.67 : x
  2. Step 2: Convert to fraction form
    127,908.96/176,511.96 = 70,553.67/x
  3. Step 3: Cross multiply
    127,908.96x = 176,511.96 × 70,553.67
  4. Step 4: Simplify right side
    127,908.96x = 12,453,566,576.89
  5. Step 5: Solve for x
    x = 12,453,566,576.89/127,908.96
  6. Step 6: Final answer
    x = 97,362.74

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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.