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Finding the Fourth Proportional to 347,661.58, 521,573.69 and 107,762.92

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Solution

The fourth proportional to 347,661.58, 521,573.69 and 107,762.92 is: 161,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,661.58 : 521,573.69 = 107,762.92 : x
  2. Step 2: Convert to fraction form
    347,661.58/521,573.69 = 107,762.92/x
  3. Step 3: Cross multiply
    347,661.58x = 521,573.69 × 107,762.92
  4. Step 4: Simplify right side
    347,661.58x = 56,206,302,795.05
  5. Step 5: Solve for x
    x = 56,206,302,795.05/347,661.58
  6. Step 6: Final answer
    x = 161,669.58

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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.