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Finding the Fourth Proportional to 213,816.40, 295,062.42 and 118,327.12

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Solution

The fourth proportional to 213,816.40, 295,062.42 and 118,327.12 is: 163,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,816.40 : 295,062.42 = 118,327.12 : x
  2. Step 2: Convert to fraction form
    213,816.40/295,062.42 = 118,327.12/x
  3. Step 3: Cross multiply
    213,816.40x = 295,062.42 × 118,327.12
  4. Step 4: Simplify right side
    213,816.40x = 34,913,886,378.83
  5. Step 5: Solve for x
    x = 34,913,886,378.83/213,816.40
  6. Step 6: Final answer
    x = 163,289.09

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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.