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Finding the Fourth Proportional to 104,880.70, 157,321.05 and 97,882.30

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Solution

The fourth proportional to 104,880.70, 157,321.05 and 97,882.30 is: 146,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,880.70 : 157,321.05 = 97,882.30 : x
  2. Step 2: Convert to fraction form
    104,880.70/157,321.05 = 97,882.30/x
  3. Step 3: Cross multiply
    104,880.70x = 157,321.05 × 97,882.30
  4. Step 4: Simplify right side
    104,880.70x = 15,398,946,212.42
  5. Step 5: Solve for x
    x = 15,398,946,212.42/104,880.70
  6. Step 6: Final answer
    x = 146,823.45

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Similar ratio
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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.