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Finding the Fourth Proportional to 169,533.70, 254,365.35 and 166,876.90

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Solution

The fourth proportional to 169,533.70, 254,365.35 and 166,876.90 is: 250,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,533.70 : 254,365.35 = 166,876.90 : x
  2. Step 2: Convert to fraction form
    169,533.70/254,365.35 = 166,876.90/x
  3. Step 3: Cross multiply
    169,533.70x = 254,365.35 × 166,876.90
  4. Step 4: Simplify right side
    169,533.70x = 42,447,701,075.42
  5. Step 5: Solve for x
    x = 42,447,701,075.42/169,533.70
  6. Step 6: Final answer
    x = 250,379.13

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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.