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Finding the Fourth Proportional to 254,415.38, 381,798.02 and 88,203.38

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Solution

The fourth proportional to 254,415.38, 381,798.02 and 88,203.38 is: 132,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,415.38 : 381,798.02 = 88,203.38 : x
  2. Step 2: Convert to fraction form
    254,415.38/381,798.02 = 88,203.38/x
  3. Step 3: Cross multiply
    254,415.38x = 381,798.02 × 88,203.38
  4. Step 4: Simplify right side
    254,415.38x = 33,675,874,152.83
  5. Step 5: Solve for x
    x = 33,675,874,152.83/254,415.38
  6. Step 6: Final answer
    x = 132,365.72

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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.