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Finding the Fourth Proportional to 162,702.60, 244,272.60 and 103,799.40

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Solution

The fourth proportional to 162,702.60, 244,272.60 and 103,799.40 is: 155,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,702.60 : 244,272.60 = 103,799.40 : x
  2. Step 2: Convert to fraction form
    162,702.60/244,272.60 = 103,799.40/x
  3. Step 3: Cross multiply
    162,702.60x = 244,272.60 × 103,799.40
  4. Step 4: Simplify right side
    162,702.60x = 25,355,349,316.44
  5. Step 5: Solve for x
    x = 25,355,349,316.44/162,702.60
  6. Step 6: Final answer
    x = 155,838.62

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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.