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Finding the Fourth Proportional to 132,632.88, 183,042.84 and 74,494.32

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Solution

The fourth proportional to 132,632.88, 183,042.84 and 74,494.32 is: 102,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,632.88 : 183,042.84 = 74,494.32 : x
  2. Step 2: Convert to fraction form
    132,632.88/183,042.84 = 74,494.32/x
  3. Step 3: Cross multiply
    132,632.88x = 183,042.84 × 74,494.32
  4. Step 4: Simplify right side
    132,632.88x = 13,635,651,896.67
  5. Step 5: Solve for x
    x = 13,635,651,896.67/132,632.88
  6. Step 6: Final answer
    x = 102,807.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.