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Finding the Fourth Proportional to 84,283.76, 116,333.94 and 52,434.56

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Solution

The fourth proportional to 84,283.76, 116,333.94 and 52,434.56 is: 72,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,283.76 : 116,333.94 = 52,434.56 : x
  2. Step 2: Convert to fraction form
    84,283.76/116,333.94 = 52,434.56/x
  3. Step 3: Cross multiply
    84,283.76x = 116,333.94 × 52,434.56
  4. Step 4: Simplify right side
    84,283.76x = 6,099,918,956.97
  5. Step 5: Solve for x
    x = 6,099,918,956.97/84,283.76
  6. Step 6: Final answer
    x = 72,373.60

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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.