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Finding the Fourth Proportional to 213,957.60, 295,270.72 and 118,464.30

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Solution

The fourth proportional to 213,957.60, 295,270.72 and 118,464.30 is: 163,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,957.60 : 295,270.72 = 118,464.30 : x
  2. Step 2: Convert to fraction form
    213,957.60/295,270.72 = 118,464.30/x
  3. Step 3: Cross multiply
    213,957.60x = 295,270.72 × 118,464.30
  4. Step 4: Simplify right side
    213,957.60x = 34,979,039,155.30
  5. Step 5: Solve for x
    x = 34,979,039,155.30/213,957.60
  6. Step 6: Final answer
    x = 163,485.85

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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.