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Finding the Fourth Proportional to 137,247.69, 205,888.14 and 48,483.03

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Solution

The fourth proportional to 137,247.69, 205,888.14 and 48,483.03 is: 72,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,247.69 : 205,888.14 = 48,483.03 : x
  2. Step 2: Convert to fraction form
    137,247.69/205,888.14 = 48,483.03/x
  3. Step 3: Cross multiply
    137,247.69x = 205,888.14 × 48,483.03
  4. Step 4: Simplify right side
    137,247.69x = 9,982,080,868.26
  5. Step 5: Solve for x
    x = 9,982,080,868.26/137,247.69
  6. Step 6: Final answer
    x = 72,730.41

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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.