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Finding the Fourth Proportional to 180,503.88, 249,092.37 and 99,929.67

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Solution

The fourth proportional to 180,503.88, 249,092.37 and 99,929.67 is: 137,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,503.88 : 249,092.37 = 99,929.67 : x
  2. Step 2: Convert to fraction form
    180,503.88/249,092.37 = 99,929.67/x
  3. Step 3: Cross multiply
    180,503.88x = 249,092.37 × 99,929.67
  4. Step 4: Simplify right side
    180,503.88x = 24,891,718,333.62
  5. Step 5: Solve for x
    x = 24,891,718,333.62/180,503.88
  6. Step 6: Final answer
    x = 137,901.29

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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.