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Finding the Fourth Proportional to 168,116.40, 252,466.20 and 89,384.40

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Solution

The fourth proportional to 168,116.40, 252,466.20 and 89,384.40 is: 134,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,116.40 : 252,466.20 = 89,384.40 : x
  2. Step 2: Convert to fraction form
    168,116.40/252,466.20 = 89,384.40/x
  3. Step 3: Cross multiply
    168,116.40x = 252,466.20 × 89,384.40
  4. Step 4: Simplify right side
    168,116.40x = 22,566,539,807.28
  5. Step 5: Solve for x
    x = 22,566,539,807.28/168,116.40
  6. Step 6: Final answer
    x = 134,231.64

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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.