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Finding the Fourth Proportional to 162,085.80, 243,055.80 and 62,212.80

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Solution

The fourth proportional to 162,085.80, 243,055.80 and 62,212.80 is: 93,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,085.80 : 243,055.80 = 62,212.80 : x
  2. Step 2: Convert to fraction form
    162,085.80/243,055.80 = 62,212.80/x
  3. Step 3: Cross multiply
    162,085.80x = 243,055.80 × 62,212.80
  4. Step 4: Simplify right side
    162,085.80x = 15,121,181,874.24
  5. Step 5: Solve for x
    x = 15,121,181,874.24/162,085.80
  6. Step 6: Final answer
    x = 93,291.22

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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.