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Finding the Fourth Proportional to 181,915.77, 272,917.35 and 69,594.15

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Solution

The fourth proportional to 181,915.77, 272,917.35 and 69,594.15 is: 104,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,915.77 : 272,917.35 = 69,594.15 : x
  2. Step 2: Convert to fraction form
    181,915.77/272,917.35 = 69,594.15/x
  3. Step 3: Cross multiply
    181,915.77x = 272,917.35 × 69,594.15
  4. Step 4: Simplify right side
    181,915.77x = 18,993,450,993.50
  5. Step 5: Solve for x
    x = 18,993,450,993.50/181,915.77
  6. Step 6: Final answer
    x = 104,407.94

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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.