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Finding the Fourth Proportional to 281,752.60, 423,066.30 and 163,654.60

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Solution

The fourth proportional to 281,752.60, 423,066.30 and 163,654.60 is: 245,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,752.60 : 423,066.30 = 163,654.60 : x
  2. Step 2: Convert to fraction form
    281,752.60/423,066.30 = 163,654.60/x
  3. Step 3: Cross multiply
    281,752.60x = 423,066.30 × 163,654.60
  4. Step 4: Simplify right side
    281,752.60x = 69,236,746,099.98
  5. Step 5: Solve for x
    x = 69,236,746,099.98/281,752.60
  6. Step 6: Final answer
    x = 245,735.96

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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.