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Finding the Fourth Proportional to 89,900.58, 134,803.95 and 26,712.00

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Solution

The fourth proportional to 89,900.58, 134,803.95 and 26,712.00 is: 40,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,900.58 : 134,803.95 = 26,712.00 : x
  2. Step 2: Convert to fraction form
    89,900.58/134,803.95 = 26,712.00/x
  3. Step 3: Cross multiply
    89,900.58x = 134,803.95 × 26,712.00
  4. Step 4: Simplify right side
    89,900.58x = 3,600,883,391.37
  5. Step 5: Solve for x
    x = 3,600,883,391.37/89,900.58
  6. Step 6: Final answer
    x = 40,054.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.