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Finding the Fourth Proportional to 121,033.67, 181,102.64 and 73,030.10

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Solution

The fourth proportional to 121,033.67, 181,102.64 and 73,030.10 is: 109,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,033.67 : 181,102.64 = 73,030.10 : x
  2. Step 2: Convert to fraction form
    121,033.67/181,102.64 = 73,030.10/x
  3. Step 3: Cross multiply
    121,033.67x = 181,102.64 × 73,030.10
  4. Step 4: Simplify right side
    121,033.67x = 13,225,942,638.80
  5. Step 5: Solve for x
    x = 13,225,942,638.80/121,033.67
  6. Step 6: Final answer
    x = 109,274.91

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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.