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Finding the Fourth Proportional to 106,500.66, 146,970.91 and 58,754.01

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Solution

The fourth proportional to 106,500.66, 146,970.91 and 58,754.01 is: 81,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,500.66 : 146,970.91 = 58,754.01 : x
  2. Step 2: Convert to fraction form
    106,500.66/146,970.91 = 58,754.01/x
  3. Step 3: Cross multiply
    106,500.66x = 146,970.91 × 58,754.01
  4. Step 4: Simplify right side
    106,500.66x = 8,635,130,315.85
  5. Step 5: Solve for x
    x = 8,635,130,315.85/106,500.66
  6. Step 6: Final answer
    x = 81,080.53

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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.