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Finding the Fourth Proportional to 113,893.80, 170,840.70 and 35,007.90

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Solution

The fourth proportional to 113,893.80, 170,840.70 and 35,007.90 is: 52,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,893.80 : 170,840.70 = 35,007.90 : x
  2. Step 2: Convert to fraction form
    113,893.80/170,840.70 = 35,007.90/x
  3. Step 3: Cross multiply
    113,893.80x = 170,840.70 × 35,007.90
  4. Step 4: Simplify right side
    113,893.80x = 5,980,774,141.53
  5. Step 5: Solve for x
    x = 5,980,774,141.53/113,893.80
  6. Step 6: Final answer
    x = 52,511.85

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1.5x scale

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.