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Finding the Fourth Proportional to 169,206.65, 253,810.53 and 42,846.83

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Solution

The fourth proportional to 169,206.65, 253,810.53 and 42,846.83 is: 64,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,206.65 : 253,810.53 = 42,846.83 : x
  2. Step 2: Convert to fraction form
    169,206.65/253,810.53 = 42,846.83/x
  3. Step 3: Cross multiply
    169,206.65x = 253,810.53 × 42,846.83
  4. Step 4: Simplify right side
    169,206.65x = 10,874,975,362.07
  5. Step 5: Solve for x
    x = 10,874,975,362.07/169,206.65
  6. Step 6: Final answer
    x = 64,270.38

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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.