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Finding the Fourth Proportional to 84,497.52, 116,619.08 and 48,680.72

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Solution

The fourth proportional to 84,497.52, 116,619.08 and 48,680.72 is: 67,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,497.52 : 116,619.08 = 48,680.72 : x
  2. Step 2: Convert to fraction form
    84,497.52/116,619.08 = 48,680.72/x
  3. Step 3: Cross multiply
    84,497.52x = 116,619.08 × 48,680.72
  4. Step 4: Simplify right side
    84,497.52x = 5,677,100,780.14
  5. Step 5: Solve for x
    x = 5,677,100,780.14/84,497.52
  6. Step 6: Final answer
    x = 67,186.60

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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.