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Finding the Fourth Proportional to 144,955.51, 200,060.47 and 88,399.69

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Solution

The fourth proportional to 144,955.51, 200,060.47 and 88,399.69 is: 122,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,955.51 : 200,060.47 = 88,399.69 : x
  2. Step 2: Convert to fraction form
    144,955.51/200,060.47 = 88,399.69/x
  3. Step 3: Cross multiply
    144,955.51x = 200,060.47 × 88,399.69
  4. Step 4: Simplify right side
    144,955.51x = 17,685,282,086.95
  5. Step 5: Solve for x
    x = 17,685,282,086.95/144,955.51
  6. Step 6: Final answer
    x = 122,004.90

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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.