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Finding the Fourth Proportional to 127,038, 175,299.84 and 73,340.34

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Solution

The fourth proportional to 127,038, 175,299.84 and 73,340.34 is: 101,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,038 : 175,299.84 = 73,340.34 : x
  2. Step 2: Convert to fraction form
    127,038/175,299.84 = 73,340.34/x
  3. Step 3: Cross multiply
    127,038x = 175,299.84 × 73,340.34
  4. Step 4: Simplify right side
    127,038x = 12,856,549,867.55
  5. Step 5: Solve for x
    x = 12,856,549,867.55/127,038
  6. Step 6: Final answer
    x = 101,202.40

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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.