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Finding the Fourth Proportional to 180,253.63, 248,743.74 and 103,770.19

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Solution

The fourth proportional to 180,253.63, 248,743.74 and 103,770.19 is: 143,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,253.63 : 248,743.74 = 103,770.19 : x
  2. Step 2: Convert to fraction form
    180,253.63/248,743.74 = 103,770.19/x
  3. Step 3: Cross multiply
    180,253.63x = 248,743.74 × 103,770.19
  4. Step 4: Simplify right side
    180,253.63x = 25,812,185,161.11
  5. Step 5: Solve for x
    x = 25,812,185,161.11/180,253.63
  6. Step 6: Final answer
    x = 143,199.25

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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.