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Finding the Fourth Proportional to 92,846.52, 128,062.62 and 57,056.67

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Solution

The fourth proportional to 92,846.52, 128,062.62 and 57,056.67 is: 78,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,846.52 : 128,062.62 = 57,056.67 : x
  2. Step 2: Convert to fraction form
    92,846.52/128,062.62 = 57,056.67/x
  3. Step 3: Cross multiply
    92,846.52x = 128,062.62 × 57,056.67
  4. Step 4: Simplify right side
    92,846.52x = 7,306,826,648.68
  5. Step 5: Solve for x
    x = 7,306,826,648.68/92,846.52
  6. Step 6: Final answer
    x = 78,697.91

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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.