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Finding the Fourth Proportional to 169,634.30, 254,548.65 and 64,528.70

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Solution

The fourth proportional to 169,634.30, 254,548.65 and 64,528.70 is: 96,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,634.30 : 254,548.65 = 64,528.70 : x
  2. Step 2: Convert to fraction form
    169,634.30/254,548.65 = 64,528.70/x
  3. Step 3: Cross multiply
    169,634.30x = 254,548.65 × 64,528.70
  4. Step 4: Simplify right side
    169,634.30x = 16,425,693,471.26
  5. Step 5: Solve for x
    x = 16,425,693,471.26/169,634.30
  6. Step 6: Final answer
    x = 96,830.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.