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Finding the Fourth Proportional to 219,486.94, 302,891.99 and 118,884.94

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Solution

The fourth proportional to 219,486.94, 302,891.99 and 118,884.94 is: 164,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,486.94 : 302,891.99 = 118,884.94 : x
  2. Step 2: Convert to fraction form
    219,486.94/302,891.99 = 118,884.94/x
  3. Step 3: Cross multiply
    219,486.94x = 302,891.99 × 118,884.94
  4. Step 4: Simplify right side
    219,486.94x = 36,009,294,705.98
  5. Step 5: Solve for x
    x = 36,009,294,705.98/219,486.94
  6. Step 6: Final answer
    x = 164,061.22

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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.