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Finding the Fourth Proportional to 100,429.93, 150,551.88 and 37,214.83

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Solution

The fourth proportional to 100,429.93, 150,551.88 and 37,214.83 is: 55,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,429.93 : 150,551.88 = 37,214.83 : x
  2. Step 2: Convert to fraction form
    100,429.93/150,551.88 = 37,214.83/x
  3. Step 3: Cross multiply
    100,429.93x = 150,551.88 × 37,214.83
  4. Step 4: Simplify right side
    100,429.93x = 5,602,762,620.38
  5. Step 5: Solve for x
    x = 5,602,762,620.38/100,429.93
  6. Step 6: Final answer
    x = 55,787.78

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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.