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Finding the Fourth Proportional to 180,576.82, 249,113.28 and 116,935.12

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Solution

The fourth proportional to 180,576.82, 249,113.28 and 116,935.12 is: 161,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,576.82 : 249,113.28 = 116,935.12 : x
  2. Step 2: Convert to fraction form
    180,576.82/249,113.28 = 116,935.12/x
  3. Step 3: Cross multiply
    180,576.82x = 249,113.28 × 116,935.12
  4. Step 4: Simplify right side
    180,576.82x = 29,130,091,290.39
  5. Step 5: Solve for x
    x = 29,130,091,290.39/180,576.82
  6. Step 6: Final answer
    x = 161,316.89

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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.