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Finding the Fourth Proportional to 186,958.60, 280,437.90 and 163,630.60

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Solution

The fourth proportional to 186,958.60, 280,437.90 and 163,630.60 is: 245,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,958.60 : 280,437.90 = 163,630.60 : x
  2. Step 2: Convert to fraction form
    186,958.60/280,437.90 = 163,630.60/x
  3. Step 3: Cross multiply
    186,958.60x = 280,437.90 × 163,630.60
  4. Step 4: Simplify right side
    186,958.60x = 45,888,221,839.74
  5. Step 5: Solve for x
    x = 45,888,221,839.74/186,958.60
  6. Step 6: Final answer
    x = 245,445.90

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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.