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Finding the Fourth Proportional to 219,487.44, 302,892.68 and 118,885.44

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Solution

The fourth proportional to 219,487.44, 302,892.68 and 118,885.44 is: 164,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,487.44 : 302,892.68 = 118,885.44 : x
  2. Step 2: Convert to fraction form
    219,487.44/302,892.68 = 118,885.44/x
  3. Step 3: Cross multiply
    219,487.44x = 302,892.68 × 118,885.44
  4. Step 4: Simplify right side
    219,487.44x = 36,009,528,940.15
  5. Step 5: Solve for x
    x = 36,009,528,940.15/219,487.44
  6. Step 6: Final answer
    x = 164,061.91

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1.5x scale

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.