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Finding the Fourth Proportional to 351,656.48, 527,112.84 and 114,935.60

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Solution

The fourth proportional to 351,656.48, 527,112.84 and 114,935.60 is: 172,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,656.48 : 527,112.84 = 114,935.60 : x
  2. Step 2: Convert to fraction form
    351,656.48/527,112.84 = 114,935.60/x
  3. Step 3: Cross multiply
    351,656.48x = 527,112.84 × 114,935.60
  4. Step 4: Simplify right side
    351,656.48x = 60,584,030,533.10
  5. Step 5: Solve for x
    x = 60,584,030,533.10/351,656.48
  6. Step 6: Final answer
    x = 172,281.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.