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Finding the Fourth Proportional to 119,221, 178,913.52 and 49,100.32

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Solution

The fourth proportional to 119,221, 178,913.52 and 49,100.32 is: 73,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,221 : 178,913.52 = 49,100.32 : x
  2. Step 2: Convert to fraction form
    119,221/178,913.52 = 49,100.32/x
  3. Step 3: Cross multiply
    119,221x = 178,913.52 × 49,100.32
  4. Step 4: Simplify right side
    119,221x = 8,784,711,084.33
  5. Step 5: Solve for x
    x = 8,784,711,084.33/119,221
  6. Step 6: Final answer
    x = 73,684.26

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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.