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Finding the Fourth Proportional to 94,484, 130,378.46 and 58,179.63

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Solution

The fourth proportional to 94,484, 130,378.46 and 58,179.63 is: 80,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,484 : 130,378.46 = 58,179.63 : x
  2. Step 2: Convert to fraction form
    94,484/130,378.46 = 58,179.63/x
  3. Step 3: Cross multiply
    94,484x = 130,378.46 × 58,179.63
  4. Step 4: Simplify right side
    94,484x = 7,585,369,619.98
  5. Step 5: Solve for x
    x = 7,585,369,619.98/94,484
  6. Step 6: Final answer
    x = 80,282.05

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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.