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Finding the Fourth Proportional to 93,683.20, 140,524.80 and 83,841.70

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Solution

The fourth proportional to 93,683.20, 140,524.80 and 83,841.70 is: 125,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,683.20 : 140,524.80 = 83,841.70 : x
  2. Step 2: Convert to fraction form
    93,683.20/140,524.80 = 83,841.70/x
  3. Step 3: Cross multiply
    93,683.20x = 140,524.80 × 83,841.70
  4. Step 4: Simplify right side
    93,683.20x = 11,781,838,124.16
  5. Step 5: Solve for x
    x = 11,781,838,124.16/93,683.20
  6. Step 6: Final answer
    x = 125,762.55

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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.