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Finding the Fourth Proportional to 162,703.60, 244,055.40 and 143,020.60

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Solution

The fourth proportional to 162,703.60, 244,055.40 and 143,020.60 is: 214,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,703.60 : 244,055.40 = 143,020.60 : x
  2. Step 2: Convert to fraction form
    162,703.60/244,055.40 = 143,020.60/x
  3. Step 3: Cross multiply
    162,703.60x = 244,055.40 × 143,020.60
  4. Step 4: Simplify right side
    162,703.60x = 34,904,949,741.24
  5. Step 5: Solve for x
    x = 34,904,949,741.24/162,703.60
  6. Step 6: Final answer
    x = 214,530.90

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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.