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Finding the Fourth Proportional to 162,842.80, 244,264.20 and 135,194.80

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Solution

The fourth proportional to 162,842.80, 244,264.20 and 135,194.80 is: 202,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,842.80 : 244,264.20 = 135,194.80 : x
  2. Step 2: Convert to fraction form
    162,842.80/244,264.20 = 135,194.80/x
  3. Step 3: Cross multiply
    162,842.80x = 244,264.20 × 135,194.80
  4. Step 4: Simplify right side
    162,842.80x = 33,023,249,666.16
  5. Step 5: Solve for x
    x = 33,023,249,666.16/162,842.80
  6. Step 6: Final answer
    x = 202,792.20

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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.