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Finding the Fourth Proportional to 155,676.84, 233,515.49 and 43,357.38

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Solution

The fourth proportional to 155,676.84, 233,515.49 and 43,357.38 is: 65,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,676.84 : 233,515.49 = 43,357.38 : x
  2. Step 2: Convert to fraction form
    155,676.84/233,515.49 = 43,357.38/x
  3. Step 3: Cross multiply
    155,676.84x = 233,515.49 × 43,357.38
  4. Step 4: Simplify right side
    155,676.84x = 10,124,620,300.76
  5. Step 5: Solve for x
    x = 10,124,620,300.76/155,676.84
  6. Step 6: Final answer
    x = 65,036.14

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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.