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Finding the Fourth Proportional to 180,590.72, 249,217.80 and 104,108.39

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Solution

The fourth proportional to 180,590.72, 249,217.80 and 104,108.39 is: 143,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,590.72 : 249,217.80 = 104,108.39 : x
  2. Step 2: Convert to fraction form
    180,590.72/249,217.80 = 104,108.39/x
  3. Step 3: Cross multiply
    180,590.72x = 249,217.80 × 104,108.39
  4. Step 4: Simplify right side
    180,590.72x = 25,945,663,917.34
  5. Step 5: Solve for x
    x = 25,945,663,917.34/180,590.72
  6. Step 6: Final answer
    x = 143,671.08

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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.