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Finding the Fourth Proportional to 219,221.75, 302,526.02 and 118,619.75

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Solution

The fourth proportional to 219,221.75, 302,526.02 and 118,619.75 is: 163,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,221.75 : 302,526.02 = 118,619.75 : x
  2. Step 2: Convert to fraction form
    219,221.75/302,526.02 = 118,619.75/x
  3. Step 3: Cross multiply
    219,221.75x = 302,526.02 × 118,619.75
  4. Step 4: Simplify right side
    219,221.75x = 35,885,560,860.90
  5. Step 5: Solve for x
    x = 35,885,560,860.90/219,221.75
  6. Step 6: Final answer
    x = 163,695.26

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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.