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Finding the Fourth Proportional to 104,725.26, 144,488.88 and 59,400.90

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Solution

The fourth proportional to 104,725.26, 144,488.88 and 59,400.90 is: 81,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,725.26 : 144,488.88 = 59,400.90 : x
  2. Step 2: Convert to fraction form
    104,725.26/144,488.88 = 59,400.90/x
  3. Step 3: Cross multiply
    104,725.26x = 144,488.88 × 59,400.90
  4. Step 4: Simplify right side
    104,725.26x = 8,582,769,511.99
  5. Step 5: Solve for x
    x = 8,582,769,511.99/104,725.26
  6. Step 6: Final answer
    x = 81,955.10

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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.