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Finding the Fourth Proportional to 169,779.62, 254,707.10 and 64,599.50

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Solution

The fourth proportional to 169,779.62, 254,707.10 and 64,599.50 is: 96,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,779.62 : 254,707.10 = 64,599.50 : x
  2. Step 2: Convert to fraction form
    169,779.62/254,707.10 = 64,599.50/x
  3. Step 3: Cross multiply
    169,779.62x = 254,707.10 × 64,599.50
  4. Step 4: Simplify right side
    169,779.62x = 16,453,951,306.45
  5. Step 5: Solve for x
    x = 16,453,951,306.45/169,779.62
  6. Step 6: Final answer
    x = 96,913.58

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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.