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Finding the Fourth Proportional to 94,471.40, 130,367.86 and 51,449.92

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Solution

The fourth proportional to 94,471.40, 130,367.86 and 51,449.92 is: 70,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,471.40 : 130,367.86 = 51,449.92 : x
  2. Step 2: Convert to fraction form
    94,471.40/130,367.86 = 51,449.92/x
  3. Step 3: Cross multiply
    94,471.40x = 130,367.86 × 51,449.92
  4. Step 4: Simplify right side
    94,471.40x = 6,707,415,802.43
  5. Step 5: Solve for x
    x = 6,707,415,802.43/94,471.40
  6. Step 6: Final answer
    x = 70,999.44

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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.