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Finding the Fourth Proportional to 127,464.54, 175,893.84 and 70,874.70

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Solution

The fourth proportional to 127,464.54, 175,893.84 and 70,874.70 is: 97,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,464.54 : 175,893.84 = 70,874.70 : x
  2. Step 2: Convert to fraction form
    127,464.54/175,893.84 = 70,874.70/x
  3. Step 3: Cross multiply
    127,464.54x = 175,893.84 × 70,874.70
  4. Step 4: Simplify right side
    127,464.54x = 12,466,423,141.85
  5. Step 5: Solve for x
    x = 12,466,423,141.85/127,464.54
  6. Step 6: Final answer
    x = 97,803.07

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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.