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Finding the Fourth Proportional to 132,976.66, 183,482.73 and 79,266.67

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Solution

The fourth proportional to 132,976.66, 183,482.73 and 79,266.67 is: 109,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,976.66 : 183,482.73 = 79,266.67 : x
  2. Step 2: Convert to fraction form
    132,976.66/183,482.73 = 79,266.67/x
  3. Step 3: Cross multiply
    132,976.66x = 183,482.73 × 79,266.67
  4. Step 4: Simplify right side
    132,976.66x = 14,544,065,009.61
  5. Step 5: Solve for x
    x = 14,544,065,009.61/132,976.66
  6. Step 6: Final answer
    x = 109,373.07

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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.