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Finding the Fourth Proportional to 219,365.62, 302,725.83 and 118,763.62

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Solution

The fourth proportional to 219,365.62, 302,725.83 and 118,763.62 is: 163,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,365.62 : 302,725.83 = 118,763.62 : x
  2. Step 2: Convert to fraction form
    219,365.62/302,725.83 = 118,763.62/x
  3. Step 3: Cross multiply
    219,365.62x = 302,725.83 × 118,763.62
  4. Step 4: Simplify right side
    219,365.62x = 35,952,815,438.30
  5. Step 5: Solve for x
    x = 35,952,815,438.30/219,365.62
  6. Step 6: Final answer
    x = 163,894.49

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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.