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Finding the Fourth Proportional to 133,555.83, 200,386.59 and 58,623.74

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Solution

The fourth proportional to 133,555.83, 200,386.59 and 58,623.74 is: 87,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,555.83 : 200,386.59 = 58,623.74 : x
  2. Step 2: Convert to fraction form
    133,555.83/200,386.59 = 58,623.74/x
  3. Step 3: Cross multiply
    133,555.83x = 200,386.59 × 58,623.74
  4. Step 4: Simplify right side
    133,555.83x = 11,747,411,351.65
  5. Step 5: Solve for x
    x = 11,747,411,351.65/133,555.83
  6. Step 6: Final answer
    x = 87,958.81

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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.