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Finding the Fourth Proportional to 219,376.36, 302,740.32 and 118,774.36

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Solution

The fourth proportional to 219,376.36, 302,740.32 and 118,774.36 is: 163,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,376.36 : 302,740.32 = 118,774.36 : x
  2. Step 2: Convert to fraction form
    219,376.36/302,740.32 = 118,774.36/x
  3. Step 3: Cross multiply
    219,376.36x = 302,740.32 × 118,774.36
  4. Step 4: Simplify right side
    219,376.36x = 35,957,787,754.20
  5. Step 5: Solve for x
    x = 35,957,787,754.20/219,376.36
  6. Step 6: Final answer
    x = 163,909.13

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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.