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Finding the Fourth Proportional to 219,113.63, 302,376.83 and 118,511.63

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Solution

The fourth proportional to 219,113.63, 302,376.83 and 118,511.63 is: 163,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,113.63 : 302,376.83 = 118,511.63 : x
  2. Step 2: Convert to fraction form
    219,113.63/302,376.83 = 118,511.63/x
  3. Step 3: Cross multiply
    219,113.63x = 302,376.83 × 118,511.63
  4. Step 4: Simplify right side
    219,113.63x = 35,835,168,893.09
  5. Step 5: Solve for x
    x = 35,835,168,893.09/219,113.63
  6. Step 6: Final answer
    x = 163,546.05

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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.