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Finding the Fourth Proportional to 162,993.28, 244,526.64 and 57,812.08

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Solution

The fourth proportional to 162,993.28, 244,526.64 and 57,812.08 is: 86,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,993.28 : 244,526.64 = 57,812.08 : x
  2. Step 2: Convert to fraction form
    162,993.28/244,526.64 = 57,812.08/x
  3. Step 3: Cross multiply
    162,993.28x = 244,526.64 × 57,812.08
  4. Step 4: Simplify right side
    162,993.28x = 14,136,593,673.81
  5. Step 5: Solve for x
    x = 14,136,593,673.81/162,993.28
  6. Step 6: Final answer
    x = 86,731.14

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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.