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Finding the Fourth Proportional to 94,112.68, 129,885.82 and 53,830.22

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Solution

The fourth proportional to 94,112.68, 129,885.82 and 53,830.22 is: 74,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,112.68 : 129,885.82 = 53,830.22 : x
  2. Step 2: Convert to fraction form
    94,112.68/129,885.82 = 53,830.22/x
  3. Step 3: Cross multiply
    94,112.68x = 129,885.82 × 53,830.22
  4. Step 4: Simplify right side
    94,112.68x = 6,991,782,265.48
  5. Step 5: Solve for x
    x = 6,991,782,265.48/94,112.68
  6. Step 6: Final answer
    x = 74,291.61

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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.