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Finding the Fourth Proportional to 127,483.70, 175,931.83 and 70,127.29

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Solution

The fourth proportional to 127,483.70, 175,931.83 and 70,127.29 is: 96,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,483.70 : 175,931.83 = 70,127.29 : x
  2. Step 2: Convert to fraction form
    127,483.70/175,931.83 = 70,127.29/x
  3. Step 3: Cross multiply
    127,483.70x = 175,931.83 × 70,127.29
  4. Step 4: Simplify right side
    127,483.70x = 12,337,621,847.49
  5. Step 5: Solve for x
    x = 12,337,621,847.49/127,483.70
  6. Step 6: Final answer
    x = 96,778.03

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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.