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Finding the Fourth Proportional to 98,425.58, 135,827.26 and 53,713.58

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Solution

The fourth proportional to 98,425.58, 135,827.26 and 53,713.58 is: 74,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,425.58 : 135,827.26 = 53,713.58 : x
  2. Step 2: Convert to fraction form
    98,425.58/135,827.26 = 53,713.58/x
  3. Step 3: Cross multiply
    98,425.58x = 135,827.26 × 53,713.58
  4. Step 4: Simplify right side
    98,425.58x = 7,295,767,582.77
  5. Step 5: Solve for x
    x = 7,295,767,582.77/98,425.58
  6. Step 6: Final answer
    x = 74,124.71

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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.