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Finding the Fourth Proportional to 219,074.82, 302,322.99 and 118,472.82

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Solution

The fourth proportional to 219,074.82, 302,322.99 and 118,472.82 is: 163,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,074.82 : 302,322.99 = 118,472.82 : x
  2. Step 2: Convert to fraction form
    219,074.82/302,322.99 = 118,472.82/x
  3. Step 3: Cross multiply
    219,074.82x = 302,322.99 × 118,472.82
  4. Step 4: Simplify right side
    219,074.82x = 35,817,057,176.13
  5. Step 5: Solve for x
    x = 35,817,057,176.13/219,074.82
  6. Step 6: Final answer
    x = 163,492.35

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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.