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Finding the Fourth Proportional to 92,770.58, 128,023.64 and 50,329.11

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Solution

The fourth proportional to 92,770.58, 128,023.64 and 50,329.11 is: 69,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,770.58 : 128,023.64 = 50,329.11 : x
  2. Step 2: Convert to fraction form
    92,770.58/128,023.64 = 50,329.11/x
  3. Step 3: Cross multiply
    92,770.58x = 128,023.64 × 50,329.11
  4. Step 4: Simplify right side
    92,770.58x = 6,443,315,860.16
  5. Step 5: Solve for x
    x = 6,443,315,860.16/92,770.58
  6. Step 6: Final answer
    x = 69,454.30

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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.