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Finding the Fourth Proportional to 144,510.51, 199,491.45 and 84,059.13

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Solution

The fourth proportional to 144,510.51, 199,491.45 and 84,059.13 is: 116,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,510.51 : 199,491.45 = 84,059.13 : x
  2. Step 2: Convert to fraction form
    144,510.51/199,491.45 = 84,059.13/x
  3. Step 3: Cross multiply
    144,510.51x = 199,491.45 × 84,059.13
  4. Step 4: Simplify right side
    144,510.51x = 16,769,077,729.44
  5. Step 5: Solve for x
    x = 16,769,077,729.44/144,510.51
  6. Step 6: Final answer
    x = 116,040.54

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1.5x scale

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.