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Finding the Fourth Proportional to 180,662.31, 249,348.87 and 104,230.77

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Solution

The fourth proportional to 180,662.31, 249,348.87 and 104,230.77 is: 143,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,662.31 : 249,348.87 = 104,230.77 : x
  2. Step 2: Convert to fraction form
    180,662.31/249,348.87 = 104,230.77/x
  3. Step 3: Cross multiply
    180,662.31x = 249,348.87 × 104,230.77
  4. Step 4: Simplify right side
    180,662.31x = 25,989,824,718.73
  5. Step 5: Solve for x
    x = 25,989,824,718.73/180,662.31
  6. Step 6: Final answer
    x = 143,858.59

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1.5x scale

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.