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Finding the Fourth Proportional to 213,991.66, 295,304.86 and 118,496.32

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Solution

The fourth proportional to 213,991.66, 295,304.86 and 118,496.32 is: 163,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,991.66 : 295,304.86 = 118,496.32 : x
  2. Step 2: Convert to fraction form
    213,991.66/295,304.86 = 118,496.32/x
  3. Step 3: Cross multiply
    213,991.66x = 295,304.86 × 118,496.32
  4. Step 4: Simplify right side
    213,991.66x = 34,992,539,188.12
  5. Step 5: Solve for x
    x = 34,992,539,188.12/213,991.66
  6. Step 6: Final answer
    x = 163,522.91

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1.5x scale

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.