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Finding the Fourth Proportional to 243,414.80, 365,035.80 and 168,534.80

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Solution

The fourth proportional to 243,414.80, 365,035.80 and 168,534.80 is: 252,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,414.80 : 365,035.80 = 168,534.80 : x
  2. Step 2: Convert to fraction form
    243,414.80/365,035.80 = 168,534.80/x
  3. Step 3: Cross multiply
    243,414.80x = 365,035.80 × 168,534.80
  4. Step 4: Simplify right side
    243,414.80x = 61,521,235,545.84
  5. Step 5: Solve for x
    x = 61,521,235,545.84/243,414.80
  6. Step 6: Final answer
    x = 252,742.38

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1.5x scale

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.