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Finding the Fourth Proportional to 93,276.60, 139,935.06 and 43,320.12

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Solution

The fourth proportional to 93,276.60, 139,935.06 and 43,320.12 is: 64,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,276.60 : 139,935.06 = 43,320.12 : x
  2. Step 2: Convert to fraction form
    93,276.60/139,935.06 = 43,320.12/x
  3. Step 3: Cross multiply
    93,276.60x = 139,935.06 × 43,320.12
  4. Step 4: Simplify right side
    93,276.60x = 6,062,003,591.41
  5. Step 5: Solve for x
    x = 6,062,003,591.41/93,276.60
  6. Step 6: Final answer
    x = 64,989.54

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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.