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Finding the Fourth Proportional to 243,716.70, 365,582.53 and 66,227.46

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Solution

The fourth proportional to 243,716.70, 365,582.53 and 66,227.46 is: 99,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,716.70 : 365,582.53 = 66,227.46 : x
  2. Step 2: Convert to fraction form
    243,716.70/365,582.53 = 66,227.46/x
  3. Step 3: Cross multiply
    243,716.70x = 365,582.53 × 66,227.46
  4. Step 4: Simplify right side
    243,716.70x = 24,211,602,382.27
  5. Step 5: Solve for x
    x = 24,211,602,382.27/243,716.70
  6. Step 6: Final answer
    x = 99,343.22

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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.