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Finding the Fourth Proportional to 169,655.85, 254,483.60 and 43,296.09

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Solution

The fourth proportional to 169,655.85, 254,483.60 and 43,296.09 is: 64,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,655.85 : 254,483.60 = 43,296.09 : x
  2. Step 2: Convert to fraction form
    169,655.85/254,483.60 = 43,296.09/x
  3. Step 3: Cross multiply
    169,655.85x = 254,483.60 × 43,296.09
  4. Step 4: Simplify right side
    169,655.85x = 11,018,144,632.64
  5. Step 5: Solve for x
    x = 11,018,144,632.64/169,655.85
  6. Step 6: Final answer
    x = 64,944.09

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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.