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Finding the Fourth Proportional to 93,653.40, 140,609.70 and 73,954.20

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Solution

The fourth proportional to 93,653.40, 140,609.70 and 73,954.20 is: 111,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,653.40 : 140,609.70 = 73,954.20 : x
  2. Step 2: Convert to fraction form
    93,653.40/140,609.70 = 73,954.20/x
  3. Step 3: Cross multiply
    93,653.40x = 140,609.70 × 73,954.20
  4. Step 4: Simplify right side
    93,653.40x = 10,398,677,875.74
  5. Step 5: Solve for x
    x = 10,398,677,875.74/93,653.40
  6. Step 6: Final answer
    x = 111,033.64

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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.