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Finding the Fourth Proportional to 181,046.15, 249,785.89 and 104,555.15

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Solution

The fourth proportional to 181,046.15, 249,785.89 and 104,555.15 is: 144,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,046.15 : 249,785.89 = 104,555.15 : x
  2. Step 2: Convert to fraction form
    181,046.15/249,785.89 = 104,555.15/x
  3. Step 3: Cross multiply
    181,046.15x = 249,785.89 × 104,555.15
  4. Step 4: Simplify right side
    181,046.15x = 26,116,400,623.21
  5. Step 5: Solve for x
    x = 26,116,400,623.21/181,046.15
  6. Step 6: Final answer
    x = 144,252.73

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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.