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Finding the Fourth Proportional to 180,551.44, 249,176.28 and 99,998.56

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Solution

The fourth proportional to 180,551.44, 249,176.28 and 99,998.56 is: 138,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,551.44 : 249,176.28 = 99,998.56 : x
  2. Step 2: Convert to fraction form
    180,551.44/249,176.28 = 99,998.56/x
  3. Step 3: Cross multiply
    180,551.44x = 249,176.28 × 99,998.56
  4. Step 4: Simplify right side
    180,551.44x = 24,917,269,186.16
  5. Step 5: Solve for x
    x = 24,917,269,186.16/180,551.44
  6. Step 6: Final answer
    x = 138,006.48

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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.