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Finding the Fourth Proportional to 228,153.62, 342,317.92 and 94,998.12

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Solution

The fourth proportional to 228,153.62, 342,317.92 and 94,998.12 is: 142,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,153.62 : 342,317.92 = 94,998.12 : x
  2. Step 2: Convert to fraction form
    228,153.62/342,317.92 = 94,998.12/x
  3. Step 3: Cross multiply
    228,153.62x = 342,317.92 × 94,998.12
  4. Step 4: Simplify right side
    228,153.62x = 32,519,558,842.31
  5. Step 5: Solve for x
    x = 32,519,558,842.31/228,153.62
  6. Step 6: Final answer
    x = 142,533.61

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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.