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Finding the Fourth Proportional to 170,209.60, 254,853.60 and 133,345.60

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Solution

The fourth proportional to 170,209.60, 254,853.60 and 133,345.60 is: 199,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,209.60 : 254,853.60 = 133,345.60 : x
  2. Step 2: Convert to fraction form
    170,209.60/254,853.60 = 133,345.60/x
  3. Step 3: Cross multiply
    170,209.60x = 254,853.60 × 133,345.60
  4. Step 4: Simplify right side
    170,209.60x = 33,983,606,204.16
  5. Step 5: Solve for x
    x = 33,983,606,204.16/170,209.60
  6. Step 6: Final answer
    x = 199,657.40

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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.