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Finding the Fourth Proportional to 104,632.38, 144,319.59 and 68,810.94

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Solution

The fourth proportional to 104,632.38, 144,319.59 and 68,810.94 is: 94,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,632.38 : 144,319.59 = 68,810.94 : x
  2. Step 2: Convert to fraction form
    104,632.38/144,319.59 = 68,810.94/x
  3. Step 3: Cross multiply
    104,632.38x = 144,319.59 × 68,810.94
  4. Step 4: Simplify right side
    104,632.38x = 9,930,766,648.31
  5. Step 5: Solve for x
    x = 9,930,766,648.31/104,632.38
  6. Step 6: Final answer
    x = 94,911.03

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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.