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Finding the Fourth Proportional to 93,015.28, 139,551.72 and 32,230.72

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Solution

The fourth proportional to 93,015.28, 139,551.72 and 32,230.72 is: 48,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015.28 : 139,551.72 = 32,230.72 : x
  2. Step 2: Convert to fraction form
    93,015.28/139,551.72 = 32,230.72/x
  3. Step 3: Cross multiply
    93,015.28x = 139,551.72 × 32,230.72
  4. Step 4: Simplify right side
    93,015.28x = 4,497,852,412.84
  5. Step 5: Solve for x
    x = 4,497,852,412.84/93,015.28
  6. Step 6: Final answer
    x = 48,356.06

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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.