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Finding the Fourth Proportional to 219,282.88, 302,610.40 and 118,680.88

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Solution

The fourth proportional to 219,282.88, 302,610.40 and 118,680.88 is: 163,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,282.88 : 302,610.40 = 118,680.88 : x
  2. Step 2: Convert to fraction form
    219,282.88/302,610.40 = 118,680.88/x
  3. Step 3: Cross multiply
    219,282.88x = 302,610.40 × 118,680.88
  4. Step 4: Simplify right side
    219,282.88x = 35,914,068,569.15
  5. Step 5: Solve for x
    x = 35,914,068,569.15/219,282.88
  6. Step 6: Final answer
    x = 163,779.63

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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.