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Finding the Fourth Proportional to 94,480.71, 130,380.71 and 51,459.23

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Solution

The fourth proportional to 94,480.71, 130,380.71 and 51,459.23 is: 71,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,480.71 : 130,380.71 = 51,459.23 : x
  2. Step 2: Convert to fraction form
    94,480.71/130,380.71 = 51,459.23/x
  3. Step 3: Cross multiply
    94,480.71x = 130,380.71 × 51,459.23
  4. Step 4: Simplify right side
    94,480.71x = 6,709,290,943.45
  5. Step 5: Solve for x
    x = 6,709,290,943.45/94,480.71
  6. Step 6: Final answer
    x = 71,012.28

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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.