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Finding the Fourth Proportional to 84,344.46, 116,339 and 61,335.60

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Solution

The fourth proportional to 84,344.46, 116,339 and 61,335.60 is: 84,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,344.46 : 116,339 = 61,335.60 : x
  2. Step 2: Convert to fraction form
    84,344.46/116,339 = 61,335.60/x
  3. Step 3: Cross multiply
    84,344.46x = 116,339 × 61,335.60
  4. Step 4: Simplify right side
    84,344.46x = 7,135,722,368.40
  5. Step 5: Solve for x
    x = 7,135,722,368.40/84,344.46
  6. Step 6: Final answer
    x = 84,602.15

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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.