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Finding the Fourth Proportional to 162,685.80, 243,955.80 and 62,812.80

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Solution

The fourth proportional to 162,685.80, 243,955.80 and 62,812.80 is: 94,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,685.80 : 243,955.80 = 62,812.80 : x
  2. Step 2: Convert to fraction form
    162,685.80/243,955.80 = 62,812.80/x
  3. Step 3: Cross multiply
    162,685.80x = 243,955.80 × 62,812.80
  4. Step 4: Simplify right side
    162,685.80x = 15,323,546,874.24
  5. Step 5: Solve for x
    x = 15,323,546,874.24/162,685.80
  6. Step 6: Final answer
    x = 94,191.05

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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.