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Finding the Fourth Proportional to 269,901.10, 404,203.65 and 144,966.70

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Solution

The fourth proportional to 269,901.10, 404,203.65 and 144,966.70 is: 217,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,901.10 : 404,203.65 = 144,966.70 : x
  2. Step 2: Convert to fraction form
    269,901.10/404,203.65 = 144,966.70/x
  3. Step 3: Cross multiply
    269,901.10x = 404,203.65 × 144,966.70
  4. Step 4: Simplify right side
    269,901.10x = 58,596,069,268.46
  5. Step 5: Solve for x
    x = 58,596,069,268.46/269,901.10
  6. Step 6: Final answer
    x = 217,102.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.