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Finding the Fourth Proportional to 175,259.20, 262,543.20 and 162,817.60

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Solution

The fourth proportional to 175,259.20, 262,543.20 and 162,817.60 is: 243,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,259.20 : 262,543.20 = 162,817.60 : x
  2. Step 2: Convert to fraction form
    175,259.20/262,543.20 = 162,817.60/x
  3. Step 3: Cross multiply
    175,259.20x = 262,543.20 × 162,817.60
  4. Step 4: Simplify right side
    175,259.20x = 42,746,653,720.32
  5. Step 5: Solve for x
    x = 42,746,653,720.32/175,259.20
  6. Step 6: Final answer
    x = 243,905.33

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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.