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Finding the Fourth Proportional to 93,096.40, 139,644.60 and 72,334.80

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Solution

The fourth proportional to 93,096.40, 139,644.60 and 72,334.80 is: 108,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,096.40 : 139,644.60 = 72,334.80 : x
  2. Step 2: Convert to fraction form
    93,096.40/139,644.60 = 72,334.80/x
  3. Step 3: Cross multiply
    93,096.40x = 139,644.60 × 72,334.80
  4. Step 4: Simplify right side
    93,096.40x = 10,101,164,212.08
  5. Step 5: Solve for x
    x = 10,101,164,212.08/93,096.40
  6. Step 6: Final answer
    x = 108,502.20

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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.