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Finding the Fourth Proportional to 219,298.68, 302,633.09 and 118,696.68

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Solution

The fourth proportional to 219,298.68, 302,633.09 and 118,696.68 is: 163,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,298.68 : 302,633.09 = 118,696.68 : x
  2. Step 2: Convert to fraction form
    219,298.68/302,633.09 = 118,696.68/x
  3. Step 3: Cross multiply
    219,298.68x = 302,633.09 × 118,696.68
  4. Step 4: Simplify right side
    219,298.68x = 35,921,542,447.66
  5. Step 5: Solve for x
    x = 35,921,542,447.66/219,298.68
  6. Step 6: Final answer
    x = 163,801.91

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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.