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Finding the Fourth Proportional to 347,666.08, 521,494.72 and 111,005.76

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Solution

The fourth proportional to 347,666.08, 521,494.72 and 111,005.76 is: 166,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,666.08 : 521,494.72 = 111,005.76 : x
  2. Step 2: Convert to fraction form
    347,666.08/521,494.72 = 111,005.76/x
  3. Step 3: Cross multiply
    347,666.08x = 521,494.72 × 111,005.76
  4. Step 4: Simplify right side
    347,666.08x = 57,888,917,729.59
  5. Step 5: Solve for x
    x = 57,888,917,729.59/347,666.08
  6. Step 6: Final answer
    x = 166,507.24

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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.