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Finding the Fourth Proportional to 180,339.66, 248,887.44 and 103,861.49

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Solution

The fourth proportional to 180,339.66, 248,887.44 and 103,861.49 is: 143,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,339.66 : 248,887.44 = 103,861.49 : x
  2. Step 2: Convert to fraction form
    180,339.66/248,887.44 = 103,861.49/x
  3. Step 3: Cross multiply
    180,339.66x = 248,887.44 × 103,861.49
  4. Step 4: Simplify right side
    180,339.66x = 25,849,819,116.25
  5. Step 5: Solve for x
    x = 25,849,819,116.25/180,339.66
  6. Step 6: Final answer
    x = 143,339.62

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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.