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Finding the Fourth Proportional to 104,510.63, 144,224.94 and 61,491.74

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Solution

The fourth proportional to 104,510.63, 144,224.94 and 61,491.74 is: 84,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,510.63 : 144,224.94 = 61,491.74 : x
  2. Step 2: Convert to fraction form
    104,510.63/144,224.94 = 61,491.74/x
  3. Step 3: Cross multiply
    104,510.63x = 144,224.94 × 61,491.74
  4. Step 4: Simplify right side
    104,510.63x = 8,868,641,790.87
  5. Step 5: Solve for x
    x = 8,868,641,790.87/104,510.63
  6. Step 6: Final answer
    x = 84,858.76

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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.