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Finding the Fourth Proportional to 104,960.90, 144,840.80 and 59,632.89

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Solution

The fourth proportional to 104,960.90, 144,840.80 and 59,632.89 is: 82,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,960.90 : 144,840.80 = 59,632.89 : x
  2. Step 2: Convert to fraction form
    104,960.90/144,840.80 = 59,632.89/x
  3. Step 3: Cross multiply
    104,960.90x = 144,840.80 × 59,632.89
  4. Step 4: Simplify right side
    104,960.90x = 8,637,275,195.75
  5. Step 5: Solve for x
    x = 8,637,275,195.75/104,960.90
  6. Step 6: Final answer
    x = 82,290.41

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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.