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Finding the Fourth Proportional to 180,676.53, 249,368.54 and 104,245.02

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Solution

The fourth proportional to 180,676.53, 249,368.54 and 104,245.02 is: 143,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,676.53 : 249,368.54 = 104,245.02 : x
  2. Step 2: Convert to fraction form
    180,676.53/249,368.54 = 104,245.02/x
  3. Step 3: Cross multiply
    180,676.53x = 249,368.54 × 104,245.02
  4. Step 4: Simplify right side
    180,676.53x = 25,995,427,918.45
  5. Step 5: Solve for x
    x = 25,995,427,918.45/180,676.53
  6. Step 6: Final answer
    x = 143,878.28

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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.