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Finding the Fourth Proportional to 219,192, 302,484.96 and 118,590

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Solution

The fourth proportional to 219,192, 302,484.96 and 118,590 is: 163,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,192 : 302,484.96 = 118,590 : x
  2. Step 2: Convert to fraction form
    219,192/302,484.96 = 118,590/x
  3. Step 3: Cross multiply
    219,192x = 302,484.96 × 118,590
  4. Step 4: Simplify right side
    219,192x = 35,871,691,406.40
  5. Step 5: Solve for x
    x = 35,871,691,406.40/219,192
  6. Step 6: Final answer
    x = 163,654.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.