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Finding the Fourth Proportional to 145,659.67, 200,963.43 and 88,322.00

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Solution

The fourth proportional to 145,659.67, 200,963.43 and 88,322.00 is: 121,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,659.67 : 200,963.43 = 88,322.00 : x
  2. Step 2: Convert to fraction form
    145,659.67/200,963.43 = 88,322.00/x
  3. Step 3: Cross multiply
    145,659.67x = 200,963.43 × 88,322.00
  4. Step 4: Simplify right side
    145,659.67x = 17,749,491,059.64
  5. Step 5: Solve for x
    x = 17,749,491,059.64/145,659.67
  6. Step 6: Final answer
    x = 121,855.91

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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.