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Finding the Fourth Proportional to 144,731.34, 217,075.68 and 73,624.68

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Solution

The fourth proportional to 144,731.34, 217,075.68 and 73,624.68 is: 110,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,731.34 : 217,075.68 = 73,624.68 : x
  2. Step 2: Convert to fraction form
    144,731.34/217,075.68 = 73,624.68/x
  3. Step 3: Cross multiply
    144,731.34x = 217,075.68 × 73,624.68
  4. Step 4: Simplify right side
    144,731.34x = 15,982,127,475.78
  5. Step 5: Solve for x
    x = 15,982,127,475.78/144,731.34
  6. Step 6: Final answer
    x = 110,426.17

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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.