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Finding the Fourth Proportional to 104,658.82, 144,386.54 and 59,327.20

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Solution

The fourth proportional to 104,658.82, 144,386.54 and 59,327.20 is: 81,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.82 : 144,386.54 = 59,327.20 : x
  2. Step 2: Convert to fraction form
    104,658.82/144,386.54 = 59,327.20/x
  3. Step 3: Cross multiply
    104,658.82x = 144,386.54 × 59,327.20
  4. Step 4: Simplify right side
    104,658.82x = 8,566,049,135.89
  5. Step 5: Solve for x
    x = 8,566,049,135.89/104,658.82
  6. Step 6: Final answer
    x = 81,847.37

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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.