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Finding the Fourth Proportional to 92,883.52, 128,187.24 and 52,604.40

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Solution

The fourth proportional to 92,883.52, 128,187.24 and 52,604.40 is: 72,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.52 : 128,187.24 = 52,604.40 : x
  2. Step 2: Convert to fraction form
    92,883.52/128,187.24 = 52,604.40/x
  3. Step 3: Cross multiply
    92,883.52x = 128,187.24 × 52,604.40
  4. Step 4: Simplify right side
    92,883.52x = 6,743,212,847.86
  5. Step 5: Solve for x
    x = 6,743,212,847.86/92,883.52
  6. Step 6: Final answer
    x = 72,598.59

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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.