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Finding the Fourth Proportional to 97,354.92, 134,302.92 and 57,043.64

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Solution

The fourth proportional to 97,354.92, 134,302.92 and 57,043.64 is: 78,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,354.92 : 134,302.92 = 57,043.64 : x
  2. Step 2: Convert to fraction form
    97,354.92/134,302.92 = 57,043.64/x
  3. Step 3: Cross multiply
    97,354.92x = 134,302.92 × 57,043.64
  4. Step 4: Simplify right side
    97,354.92x = 7,661,127,419.43
  5. Step 5: Solve for x
    x = 7,661,127,419.43/97,354.92
  6. Step 6: Final answer
    x = 78,692.76

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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.