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Finding the Fourth Proportional to 158,282.19, 218,457.27 and 153,027.32

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Solution

The fourth proportional to 158,282.19, 218,457.27 and 153,027.32 is: 211,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,282.19 : 218,457.27 = 153,027.32 : x
  2. Step 2: Convert to fraction form
    158,282.19/218,457.27 = 153,027.32/x
  3. Step 3: Cross multiply
    158,282.19x = 218,457.27 × 153,027.32
  4. Step 4: Simplify right side
    158,282.19x = 33,429,929,470.33
  5. Step 5: Solve for x
    x = 33,429,929,470.33/158,282.19
  6. Step 6: Final answer
    x = 211,204.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.