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Finding the Fourth Proportional to 94,347.38, 130,199.39 and 51,905.00

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Solution

The fourth proportional to 94,347.38, 130,199.39 and 51,905.00 is: 71,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,347.38 : 130,199.39 = 51,905.00 : x
  2. Step 2: Convert to fraction form
    94,347.38/130,199.39 = 51,905.00/x
  3. Step 3: Cross multiply
    94,347.38x = 130,199.39 × 51,905.00
  4. Step 4: Simplify right side
    94,347.38x = 6,757,998,427.43
  5. Step 5: Solve for x
    x = 6,757,998,427.43/94,347.38
  6. Step 6: Final answer
    x = 71,628.90

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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.