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Finding the Fourth Proportional to 93,287.92, 139,931.22 and 26,728.30

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Solution

The fourth proportional to 93,287.92, 139,931.22 and 26,728.30 is: 40,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,287.92 : 139,931.22 = 26,728.30 : x
  2. Step 2: Convert to fraction form
    93,287.92/139,931.22 = 26,728.30/x
  3. Step 3: Cross multiply
    93,287.92x = 139,931.22 × 26,728.30
  4. Step 4: Simplify right side
    93,287.92x = 3,740,123,627.53
  5. Step 5: Solve for x
    x = 3,740,123,627.53/93,287.92
  6. Step 6: Final answer
    x = 40,092.26

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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.