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Finding the Fourth Proportional to 333,768.61, 500,486.59 and 109,099.81

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Solution

The fourth proportional to 333,768.61, 500,486.59 and 109,099.81 is: 163,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,768.61 : 500,486.59 = 109,099.81 : x
  2. Step 2: Convert to fraction form
    333,768.61/500,486.59 = 109,099.81/x
  3. Step 3: Cross multiply
    333,768.61x = 500,486.59 × 109,099.81
  4. Step 4: Simplify right side
    333,768.61x = 54,602,991,876.55
  5. Step 5: Solve for x
    x = 54,602,991,876.55/333,768.61
  6. Step 6: Final answer
    x = 163,595.35

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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.