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Finding the Fourth Proportional to 93,227.64, 139,724.70 and 73,428

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Solution

The fourth proportional to 93,227.64, 139,724.70 and 73,428 is: 110,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,227.64 : 139,724.70 = 73,428 : x
  2. Step 2: Convert to fraction form
    93,227.64/139,724.70 = 73,428/x
  3. Step 3: Cross multiply
    93,227.64x = 139,724.70 × 73,428
  4. Step 4: Simplify right side
    93,227.64x = 10,259,705,271.60
  5. Step 5: Solve for x
    x = 10,259,705,271.60/93,227.64
  6. Step 6: Final answer
    x = 110,050.04

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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.