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Finding the Fourth Proportional to 180,576.16, 249,112.42 and 116,934.46

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Solution

The fourth proportional to 180,576.16, 249,112.42 and 116,934.46 is: 161,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,576.16 : 249,112.42 = 116,934.46 : x
  2. Step 2: Convert to fraction form
    180,576.16/249,112.42 = 116,934.46/x
  3. Step 3: Cross multiply
    180,576.16x = 249,112.42 × 116,934.46
  4. Step 4: Simplify right side
    180,576.16x = 29,129,825,396.88
  5. Step 5: Solve for x
    x = 29,129,825,396.88/180,576.16
  6. Step 6: Final answer
    x = 161,316.01

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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.