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Finding the Fourth Proportional to 94,310.67, 130,145.70 and 51,868.89

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Solution

The fourth proportional to 94,310.67, 130,145.70 and 51,868.89 is: 71,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,310.67 : 130,145.70 = 51,868.89 : x
  2. Step 2: Convert to fraction form
    94,310.67/130,145.70 = 51,868.89/x
  3. Step 3: Cross multiply
    94,310.67x = 130,145.70 × 51,868.89
  4. Step 4: Simplify right side
    94,310.67x = 6,750,512,997.27
  5. Step 5: Solve for x
    x = 6,750,512,997.27/94,310.67
  6. Step 6: Final answer
    x = 71,577.40

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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.