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Finding the Fourth Proportional to 169,665.60, 254,602.40 and 69,873.60

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Solution

The fourth proportional to 169,665.60, 254,602.40 and 69,873.60 is: 104,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,665.60 : 254,602.40 = 69,873.60 : x
  2. Step 2: Convert to fraction form
    169,665.60/254,602.40 = 69,873.60/x
  3. Step 3: Cross multiply
    169,665.60x = 254,602.40 × 69,873.60
  4. Step 4: Simplify right side
    169,665.60x = 17,789,986,256.64
  5. Step 5: Solve for x
    x = 17,789,986,256.64/169,665.60
  6. Step 6: Final answer
    x = 104,853.23

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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.