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Finding the Fourth Proportional to 144,892.25, 217,358.66 and 136,924.25

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Solution

The fourth proportional to 144,892.25, 217,358.66 and 136,924.25 is: 205,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,892.25 : 217,358.66 = 136,924.25 : x
  2. Step 2: Convert to fraction form
    144,892.25/217,358.66 = 136,924.25/x
  3. Step 3: Cross multiply
    144,892.25x = 217,358.66 × 136,924.25
  4. Step 4: Simplify right side
    144,892.25x = 29,761,671,501.51
  5. Step 5: Solve for x
    x = 29,761,671,501.51/144,892.25
  6. Step 6: Final answer
    x = 205,405.54

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1.5x scale

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.