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Finding the Fourth Proportional to 219,139.92, 302,412.96 and 118,537.92

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Solution

The fourth proportional to 219,139.92, 302,412.96 and 118,537.92 is: 163,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,139.92 : 302,412.96 = 118,537.92 : x
  2. Step 2: Convert to fraction form
    219,139.92/302,412.96 = 118,537.92/x
  3. Step 3: Cross multiply
    219,139.92x = 302,412.96 × 118,537.92
  4. Step 4: Simplify right side
    219,139.92x = 35,847,403,259.44
  5. Step 5: Solve for x
    x = 35,847,403,259.44/219,139.92
  6. Step 6: Final answer
    x = 163,582.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.