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Finding the Fourth Proportional to 93,630.30, 140,445.45 and 89,022.30

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Solution

The fourth proportional to 93,630.30, 140,445.45 and 89,022.30 is: 133,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,630.30 : 140,445.45 = 89,022.30 : x
  2. Step 2: Convert to fraction form
    93,630.30/140,445.45 = 89,022.30/x
  3. Step 3: Cross multiply
    93,630.30x = 140,445.45 × 89,022.30
  4. Step 4: Simplify right side
    93,630.30x = 12,502,776,983.54
  5. Step 5: Solve for x
    x = 12,502,776,983.54/93,630.30
  6. Step 6: Final answer
    x = 133,533.45

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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.