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Finding the Fourth Proportional to 243,172.44, 364,561.83 and 93,336.21

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Solution

The fourth proportional to 243,172.44, 364,561.83 and 93,336.21 is: 139,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,172.44 : 364,561.83 = 93,336.21 : x
  2. Step 2: Convert to fraction form
    243,172.44/364,561.83 = 93,336.21/x
  3. Step 3: Cross multiply
    243,172.44x = 364,561.83 × 93,336.21
  4. Step 4: Simplify right side
    243,172.44x = 34,026,819,522.86
  5. Step 5: Solve for x
    x = 34,026,819,522.86/243,172.44
  6. Step 6: Final answer
    x = 139,928.77

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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.