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Finding the Fourth Proportional to 102,988.66, 154,485.69 and 32,867.92

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Solution

The fourth proportional to 102,988.66, 154,485.69 and 32,867.92 is: 49,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,988.66 : 154,485.69 = 32,867.92 : x
  2. Step 2: Convert to fraction form
    102,988.66/154,485.69 = 32,867.92/x
  3. Step 3: Cross multiply
    102,988.66x = 154,485.69 × 32,867.92
  4. Step 4: Simplify right side
    102,988.66x = 5,077,623,300.06
  5. Step 5: Solve for x
    x = 5,077,623,300.06/102,988.66
  6. Step 6: Final answer
    x = 49,302.74

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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.