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Finding the Fourth Proportional to 104,681.88, 144,481.74 and 59,360.76

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Solution

The fourth proportional to 104,681.88, 144,481.74 and 59,360.76 is: 81,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,681.88 : 144,481.74 = 59,360.76 : x
  2. Step 2: Convert to fraction form
    104,681.88/144,481.74 = 59,360.76/x
  3. Step 3: Cross multiply
    104,681.88x = 144,481.74 × 59,360.76
  4. Step 4: Simplify right side
    104,681.88x = 8,576,545,892.52
  5. Step 5: Solve for x
    x = 8,576,545,892.52/104,681.88
  6. Step 6: Final answer
    x = 81,929.61

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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.