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Finding the Fourth Proportional to 162,079.80, 243,046.80 and 62,206.80

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Solution

The fourth proportional to 162,079.80, 243,046.80 and 62,206.80 is: 93,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,079.80 : 243,046.80 = 62,206.80 : x
  2. Step 2: Convert to fraction form
    162,079.80/243,046.80 = 62,206.80/x
  3. Step 3: Cross multiply
    162,079.80x = 243,046.80 × 62,206.80
  4. Step 4: Simplify right side
    162,079.80x = 15,119,163,678.24
  5. Step 5: Solve for x
    x = 15,119,163,678.24/162,079.80
  6. Step 6: Final answer
    x = 93,282.22

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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.