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Finding the Fourth Proportional to 94,055.70, 129,791.68 and 51,610.89

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Solution

The fourth proportional to 94,055.70, 129,791.68 and 51,610.89 is: 71,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,055.70 : 129,791.68 = 51,610.89 : x
  2. Step 2: Convert to fraction form
    94,055.70/129,791.68 = 51,610.89/x
  3. Step 3: Cross multiply
    94,055.70x = 129,791.68 × 51,610.89
  4. Step 4: Simplify right side
    94,055.70x = 6,698,664,119.40
  5. Step 5: Solve for x
    x = 6,698,664,119.40/94,055.70
  6. Step 6: Final answer
    x = 71,220.18

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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.