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Finding the Fourth Proportional to 162,503.28, 243,785.43 and 73,763.02

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Solution

The fourth proportional to 162,503.28, 243,785.43 and 73,763.02 is: 110,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,503.28 : 243,785.43 = 73,763.02 : x
  2. Step 2: Convert to fraction form
    162,503.28/243,785.43 = 73,763.02/x
  3. Step 3: Cross multiply
    162,503.28x = 243,785.43 × 73,763.02
  4. Step 4: Simplify right side
    162,503.28x = 17,982,349,853.53
  5. Step 5: Solve for x
    x = 17,982,349,853.53/162,503.28
  6. Step 6: Final answer
    x = 110,658.38

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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.