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Finding the Fourth Proportional to 152,606.22, 210,597.77 and 84,619.22

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Solution

The fourth proportional to 152,606.22, 210,597.77 and 84,619.22 is: 116,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,606.22 : 210,597.77 = 84,619.22 : x
  2. Step 2: Convert to fraction form
    152,606.22/210,597.77 = 84,619.22/x
  3. Step 3: Cross multiply
    152,606.22x = 210,597.77 × 84,619.22
  4. Step 4: Simplify right side
    152,606.22x = 17,820,618,608.04
  5. Step 5: Solve for x
    x = 17,820,618,608.04/152,606.22
  6. Step 6: Final answer
    x = 116,775.18

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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.