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Finding the Fourth Proportional to 180,996.08, 249,784.44 and 117,388.40

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Solution

The fourth proportional to 180,996.08, 249,784.44 and 117,388.40 is: 162,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,996.08 : 249,784.44 = 117,388.40 : x
  2. Step 2: Convert to fraction form
    180,996.08/249,784.44 = 117,388.40/x
  3. Step 3: Cross multiply
    180,996.08x = 249,784.44 × 117,388.40
  4. Step 4: Simplify right side
    180,996.08x = 29,321,795,756.50
  5. Step 5: Solve for x
    x = 29,321,795,756.50/180,996.08
  6. Step 6: Final answer
    x = 162,002.38

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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.