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Finding the Fourth Proportional to 169,817, 254,375.40 and 99,483.08

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Solution

The fourth proportional to 169,817, 254,375.40 and 99,483.08 is: 149,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,817 : 254,375.40 = 99,483.08 : x
  2. Step 2: Convert to fraction form
    169,817/254,375.40 = 99,483.08/x
  3. Step 3: Cross multiply
    169,817x = 254,375.40 × 99,483.08
  4. Step 4: Simplify right side
    169,817x = 25,306,048,268.23
  5. Step 5: Solve for x
    x = 25,306,048,268.23/169,817
  6. Step 6: Final answer
    x = 149,019.52

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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.