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Finding the Fourth Proportional to 354,537.16, 531,813.02 and 117,881.88

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Solution

The fourth proportional to 354,537.16, 531,813.02 and 117,881.88 is: 176,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,537.16 : 531,813.02 = 117,881.88 : x
  2. Step 2: Convert to fraction form
    354,537.16/531,813.02 = 117,881.88/x
  3. Step 3: Cross multiply
    354,537.16x = 531,813.02 × 117,881.88
  4. Step 4: Simplify right side
    354,537.16x = 62,691,118,606.08
  5. Step 5: Solve for x
    x = 62,691,118,606.08/354,537.16
  6. Step 6: Final answer
    x = 176,825.24

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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.