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Finding the Fourth Proportional to 106,955.88, 147,600.87 and 58,557

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Solution

The fourth proportional to 106,955.88, 147,600.87 and 58,557 is: 80,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,955.88 : 147,600.87 = 58,557 : x
  2. Step 2: Convert to fraction form
    106,955.88/147,600.87 = 58,557/x
  3. Step 3: Cross multiply
    106,955.88x = 147,600.87 × 58,557
  4. Step 4: Simplify right side
    106,955.88x = 8,643,064,144.59
  5. Step 5: Solve for x
    x = 8,643,064,144.59/106,955.88
  6. Step 6: Final answer
    x = 80,809.62

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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.