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Finding the Fourth Proportional to 333,767.61, 500,485.09 and 109,098.81

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Solution

The fourth proportional to 333,767.61, 500,485.09 and 109,098.81 is: 163,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,767.61 : 500,485.09 = 109,098.81 : x
  2. Step 2: Convert to fraction form
    333,767.61/500,485.09 = 109,098.81/x
  3. Step 3: Cross multiply
    333,767.61x = 500,485.09 × 109,098.81
  4. Step 4: Simplify right side
    333,767.61x = 54,602,327,741.74
  5. Step 5: Solve for x
    x = 54,602,327,741.74/333,767.61
  6. Step 6: Final answer
    x = 163,593.85

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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.