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Finding the Fourth Proportional to 169,804.23, 254,816.91 and 64,624.11

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Solution

The fourth proportional to 169,804.23, 254,816.91 and 64,624.11 is: 96,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,804.23 : 254,816.91 = 64,624.11 : x
  2. Step 2: Convert to fraction form
    169,804.23/254,816.91 = 64,624.11/x
  3. Step 3: Cross multiply
    169,804.23x = 254,816.91 × 64,624.11
  4. Step 4: Simplify right side
    169,804.23x = 16,467,316,021.70
  5. Step 5: Solve for x
    x = 16,467,316,021.70/169,804.23
  6. Step 6: Final answer
    x = 96,978.24

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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.