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Finding the Fourth Proportional to 170,671.32, 255,922.73 and 52,314.12

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Solution

The fourth proportional to 170,671.32, 255,922.73 and 52,314.12 is: 78,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,671.32 : 255,922.73 = 52,314.12 : x
  2. Step 2: Convert to fraction form
    170,671.32/255,922.73 = 52,314.12/x
  3. Step 3: Cross multiply
    170,671.32x = 255,922.73 × 52,314.12
  4. Step 4: Simplify right side
    170,671.32x = 13,388,372,538.73
  5. Step 5: Solve for x
    x = 13,388,372,538.73/170,671.32
  6. Step 6: Final answer
    x = 78,445.36

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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.