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Finding the Fourth Proportional to 162,703.60, 244,274.10 and 103,800.40

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Solution

The fourth proportional to 162,703.60, 244,274.10 and 103,800.40 is: 155,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,703.60 : 244,274.10 = 103,800.40 : x
  2. Step 2: Convert to fraction form
    162,703.60/244,274.10 = 103,800.40/x
  3. Step 3: Cross multiply
    162,703.60x = 244,274.10 × 103,800.40
  4. Step 4: Simplify right side
    162,703.60x = 25,355,749,289.64
  5. Step 5: Solve for x
    x = 25,355,749,289.64/162,703.60
  6. Step 6: Final answer
    x = 155,840.12

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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.