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Finding the Fourth Proportional to 181,016.88, 249,916.68 and 116,598.12

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Solution

The fourth proportional to 181,016.88, 249,916.68 and 116,598.12 is: 160,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,016.88 : 249,916.68 = 116,598.12 : x
  2. Step 2: Convert to fraction form
    181,016.88/249,916.68 = 116,598.12/x
  3. Step 3: Cross multiply
    181,016.88x = 249,916.68 × 116,598.12
  4. Step 4: Simplify right side
    181,016.88x = 29,139,815,044.64
  5. Step 5: Solve for x
    x = 29,139,815,044.64/181,016.88
  6. Step 6: Final answer
    x = 160,978.44

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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.