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Finding the Fourth Proportional to 369,268.28, 553,902.42 and 88,785.54

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Solution

The fourth proportional to 369,268.28, 553,902.42 and 88,785.54 is: 133,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,268.28 : 553,902.42 = 88,785.54 : x
  2. Step 2: Convert to fraction form
    369,268.28/553,902.42 = 88,785.54/x
  3. Step 3: Cross multiply
    369,268.28x = 553,902.42 × 88,785.54
  4. Step 4: Simplify right side
    369,268.28x = 49,178,525,467.01
  5. Step 5: Solve for x
    x = 49,178,525,467.01/369,268.28
  6. Step 6: Final answer
    x = 133,178.31

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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.